35+ Irresistible Sunday Keto Seafood Recipes for Your Dinner

Sundays are the perfect day to relax, recharge, and indulge in a delicious meal that aligns with your health goals.

For seafood lovers following a keto lifestyle, there’s no better way to cap off the week than with fresh, flavorful dishes that are both low-carb and packed with nutrients.

From tender shrimp and buttery lobster to crispy salmon cakes and aromatic seafood stews, keto seafood recipes are as versatile as they are satisfying.

This curated collection of 35+ Sunday Keto Seafood Recipes is designed to elevate your meal planning.

Whether you’re hosting a family dinner, meal-prepping for the week, or treating yourself to a luxurious feast, these recipes have you covered.

With options ranging from quick and simple stir-fries to indulgent crab-stuffed mushrooms, there’s something here for every palate.

Dive into this delicious lineup and make your next Sunday meal a keto-friendly celebration of seafood!

35+ Irresistible Sunday Keto Seafood Recipes for Your Dinner

Seafood is a powerhouse of flavor and nutrition, making it a staple for those on a keto diet.

These 35+ Sunday Keto Seafood Recipes offer endless inspiration for creating meals that are as satisfying as they are health-conscious.

Whether you’re looking for quick dishes to whip up in minutes or elaborate recipes to impress your guests, this collection has it all.

As you enjoy these delectable seafood recipes, you’ll not only stay on track with your keto goals but also discover new ways to celebrate the flavors of the ocean.

Let these recipes inspire your next Sunday dinner and make your mealtime a memorable culinary experience!

Keto Garlic Butter Shrimp Skillet

A flavorful dish perfect for your Sunday dinner, this Keto Garlic Butter Shrimp Skillet combines juicy shrimp with a rich and buttery garlic sauce. It’s low-carb, high-protein, and ready in less than 20 minutes. Pair it with zoodles or a simple side salad for a complete meal.

Ingredients:

• 1 lb large shrimp, peeled and deveined
• 3 tbsp unsalted butter
• 3 garlic cloves, minced
• 1 tbsp olive oil
• 1/2 tsp red pepper flakes (optional)
• 1/2 tsp paprika
• 2 tbsp lemon juice
• 2 tbsp fresh parsley, chopped
• Salt and pepper to taste

Instructions:

1. Heat olive oil in a skillet over medium heat. Add shrimp and season with paprika, salt, and pepper. Cook for 2-3 minutes until they turn pink. Remove and set aside.
2. In the same skillet, melt butter and add minced garlic. Sauté until fragrant, about 1 minute.
3. Stir in red pepper flakes (if using) and lemon juice. Let it simmer for 1 minute.
4. Return shrimp to the skillet, toss to coat in the buttery garlic sauce, and cook for another 1-2 minutes.
5. Garnish with parsley and serve hot.

This Keto Garlic Butter Shrimp Skillet is a simple yet satisfying recipe that brings restaurant-quality flavors to your table. Its buttery, garlicky goodness will make your Sunday meal special while keeping it keto-friendly.

Keto Coconut-Crusted Salmon

Elevate your seafood repertoire with this Keto Coconut-Crusted Salmon. The crispy coconut coating adds texture and a touch of tropical flair, while the tender salmon remains the star of the dish. Perfect for a sunny Sunday meal with family or friends.

Ingredients:

• 4 salmon fillets (6 oz each)
• 1 cup unsweetened shredded coconut
• 1/4 cup almond flour
• 1 large egg, beaten
• 1/2 tsp garlic powder
• 1/2 tsp smoked paprika
• 1/4 tsp salt
• 1/4 tsp black pepper
• 2 tbsp coconut oil

Instructions:

1. In a shallow dish, mix shredded coconut, almond flour, garlic powder, paprika, salt, and pepper.
2. Dip each salmon fillet in the beaten egg, then coat with the coconut mixture. Press lightly to ensure even coating.
3. Heat coconut oil in a non-stick skillet over medium heat. Add the salmon fillets and cook for 4-5 minutes per side or until the coconut crust is golden brown and the salmon is cooked through.
4. Serve with a side of sautéed greens or cauliflower rice.

The crispy exterior and moist interior of this Keto Coconut-Crusted Salmon make it an indulgent yet healthy Sunday treat. This recipe will impress your guests and add variety to your keto seafood menu.

Keto Spicy Cajun Crab Cakes

These Keto Spicy Cajun Crab Cakes are a crowd-pleaser, combining the sweetness of crab with a spicy Cajun kick. Easy to prepare and bursting with flavor, they’re perfect for a laid-back Sunday brunch or dinner.

Ingredients:

• 1 lb lump crab meat
• 1/3 cup almond flour
• 1/4 cup mayonnaise
• 1 large egg, beaten
• 1 tsp Dijon mustard
• 1 tsp Cajun seasoning
• 1/2 tsp garlic powder
• 1/4 tsp smoked paprika
• 2 tbsp fresh parsley, chopped
• 2 tbsp avocado oil

Instructions:

1. In a bowl, combine crab meat, almond flour, mayonnaise, egg, Dijon mustard, Cajun seasoning, garlic powder, smoked paprika, and parsley. Mix gently to avoid breaking the crab meat.
2. Form the mixture into 6-8 small patties. Chill in the refrigerator for 15 minutes to help them hold their shape.
3. Heat avocado oil in a skillet over medium heat. Cook the crab cakes for 3-4 minutes on each side or until golden brown and crisp.
4. Serve with a dollop of keto-friendly aioli or a squeeze of fresh lemon juice.

These Keto Spicy Cajun Crab Cakes are the ultimate comfort food for a keto lifestyle. Packed with protein and bold flavors, they’re an excellent choice for celebrating Sunday with a satisfying meal that doesn’t compromise on health or taste.

Keto Lemon Herb Baked Cod

This Keto Lemon Herb Baked Cod is a light and flavorful dish that perfectly balances simplicity and elegance. With zesty lemon, fragrant herbs, and tender cod fillets, it’s an excellent choice for a hassle-free yet delicious Sunday dinner.

Ingredients:

• 4 cod fillets (6 oz each)
• 2 tbsp olive oil
• 2 tbsp fresh lemon juice
• 2 garlic cloves, minced
• 1 tsp dried parsley
• 1 tsp dried thyme
• 1/2 tsp paprika
• 1/2 tsp salt
• 1/4 tsp black pepper
• Lemon slices for garnish

Instructions:

1. Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper.
2. In a small bowl, mix olive oil, lemon juice, garlic, parsley, thyme, paprika, salt, and pepper.
3. Place cod fillets on the prepared baking sheet and brush the herb mixture over each fillet.
4. Bake for 15-20 minutes, or until the fish is flaky and opaque.
5. Garnish with lemon slices and serve with a side of steamed vegetables or cauliflower mash.

This Keto Lemon Herb Baked Cod is a refreshing and healthy way to enjoy seafood on Sundays. The delicate flavors make it a crowd-pleaser that’s perfect for family gatherings or quiet dinners alike.

Keto Shrimp and Zucchini Noodles in Creamy Alfredo Sauce

This rich and creamy Keto Shrimp and Zucchini Noodles Alfredo is a fantastic low-carb alternative to traditional pasta dishes. The combination of juicy shrimp and silky zucchini noodles in a luscious Alfredo sauce will elevate your Sunday meal.

Ingredients:

• 1 lb shrimp, peeled and deveined
• 3 medium zucchinis, spiralized
• 2 tbsp olive oil
• 3 tbsp butter
• 2 garlic cloves, minced
• 1 cup heavy cream
• 1/2 cup grated Parmesan cheese
• 1/4 tsp nutmeg (optional)
• Salt and pepper to taste
• Fresh parsley for garnish

Instructions:

1. Heat olive oil in a skillet over medium heat. Add shrimp, season with salt and pepper, and cook until pink, about 2-3 minutes per side. Remove and set aside.
2. In the same skillet, melt butter and sauté garlic until fragrant. Stir in heavy cream and Parmesan cheese. Cook until the sauce thickens slightly. Add nutmeg if desired.
3. Toss in the zucchini noodles and cook for 2-3 minutes until tender.
4. Return the shrimp to the skillet and mix well. Garnish with parsley before serving.

This Keto Shrimp and Zucchini Noodles Alfredo is a comforting dish that doesn’t sacrifice flavor for health. Its creamy texture and delightful flavors will make it a go-to recipe for a cozy Sunday meal.

Keto Cajun Grilled Tuna Steaks

For those who love bold, smoky flavors, Keto Cajun Grilled Tuna Steaks are a must-try. These perfectly seared tuna steaks are coated in a spicy Cajun seasoning blend, making them a standout dish for your Sunday menu.

Ingredients:

• 4 tuna steaks (6 oz each)
• 2 tbsp olive oil
• 1 tbsp Cajun seasoning
• 1/2 tsp garlic powder
• 1/2 tsp smoked paprika
• 1/2 tsp salt
• 1/4 tsp black pepper
• Lemon wedges for serving

Instructions:

1. Preheat your grill or grill pan to medium-high heat.
2. In a small bowl, mix Cajun seasoning, garlic powder, smoked paprika, salt, and pepper. Brush tuna steaks with olive oil and rub the seasoning mixture onto both sides.
3. Place the tuna steaks on the grill and cook for 2-3 minutes per side for medium-rare, or longer if preferred.
4. Serve hot with a squeeze of lemon and a side of roasted vegetables or a fresh green salad.

Keto Cajun Grilled Tuna Steaks are a flavorful and nutritious choice for a Sunday feast. The smoky spices enhance the natural richness of the tuna, making it a satisfying main dish that pairs well with a variety of keto-friendly sides.

Keto Garlic Parmesan Crusted Halibut

This Keto Garlic Parmesan Crusted Halibut is a luxurious dish that combines the flaky texture of halibut with a rich, crispy topping. It’s an elegant addition to your Sunday table, delivering restaurant-quality flavors with minimal effort.

Ingredients:

• 4 halibut fillets (6 oz each)
• 1/3 cup grated Parmesan cheese
• 2 tbsp almond flour
• 1 tbsp garlic powder
• 1 tbsp fresh parsley, chopped
• 2 tbsp olive oil
• Salt and pepper to taste
• Lemon wedges for garnish

Instructions:

1. Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
2. In a small bowl, mix Parmesan cheese, almond flour, garlic powder, parsley, salt, and pepper.
3. Brush halibut fillets with olive oil and coat each fillet with the Parmesan mixture. Press gently to ensure it sticks.
4. Bake for 12-15 minutes, or until the crust is golden and the fish flakes easily with a fork.
5. Serve with lemon wedges and a side of sautéed asparagus or zucchini.

Keto Garlic Parmesan Crusted Halibut is the epitome of simple elegance, making it a perfect centerpiece for a Sunday dinner. This recipe offers a satisfying crunch and delicate flavor that will impress your family or guests.

Keto Creamy Tuscan Scallops

Indulge in the rich flavors of this Keto Creamy Tuscan Scallops dish, featuring seared scallops in a decadent garlic cream sauce with sun-dried tomatoes and spinach. It’s a quick, gourmet recipe ideal for a Sunday treat.

Ingredients:

• 1 lb large scallops, patted dry
• 2 tbsp olive oil
• 2 tbsp butter
• 2 garlic cloves, minced
• 1/2 cup heavy cream
• 1/4 cup grated Parmesan cheese
• 1/4 cup sun-dried tomatoes, chopped
• 2 cups fresh spinach
• Salt and pepper to taste
• Fresh basil for garnish

Instructions:

1. Heat olive oil in a skillet over medium-high heat. Season scallops with salt and pepper and sear for 2-3 minutes per side until golden. Remove and set aside.
2. In the same skillet, melt butter and sauté garlic until fragrant. Add sun-dried tomatoes and cook for 1-2 minutes.
3. Stir in heavy cream and Parmesan cheese, simmering until the sauce thickens slightly. Add spinach and cook until wilted.
4. Return scallops to the skillet, spooning sauce over them. Cook for 1-2 minutes to heat through.
5. Garnish with fresh basil and serve with cauliflower mash or zucchini noodles.

Keto Creamy Tuscan Scallops bring a touch of luxury to your Sunday meals. With their rich, creamy sauce and perfectly seared scallops, this dish is a keto-friendly delight you’ll want to make again and again.

Keto Blackened Mahi-Mahi Tacos (Lettuce Wraps)

These Keto Blackened Mahi-Mahi Tacos are a low-carb twist on a classic favorite. Served in crisp lettuce wraps and topped with a zesty avocado lime sauce, they’re perfect for a light yet satisfying Sunday meal.

Ingredients:

• 4 mahi-mahi fillets (4-6 oz each)
• 2 tbsp olive oil
• 1 tbsp Cajun seasoning
• 1/2 tsp smoked paprika
• 8 large lettuce leaves (Romaine or Bibb lettuce)
• 1 avocado
• 2 tbsp sour cream
• 1 tbsp lime juice
• 1/4 tsp garlic powder
• Salt and pepper to taste

Instructions:

1. Rub mahi-mahi fillets with Cajun seasoning, smoked paprika, salt, and pepper.
2. Heat olive oil in a skillet over medium-high heat. Sear the fillets for 3-4 minutes per side until blackened and fully cooked. Remove and let rest.
3. In a blender, combine avocado, sour cream, lime juice, garlic powder, salt, and pepper to make a smooth sauce.
4. Assemble tacos by placing a piece of fish in each lettuce leaf. Drizzle with avocado lime sauce and serve immediately.

These Keto Blackened Mahi-Mahi Tacos are a flavorful and fun way to enjoy seafood on a Sunday. Their vibrant spices and creamy sauce make them a hit while keeping the meal light and keto-friendly.

Keto Coconut Curry Shrimp

Keto Coconut Curry Shrimp is a creamy, aromatic dish that combines the sweetness of coconut milk with the boldness of curry spices. This recipe is perfect for a comforting yet light Sunday dinner.

Ingredients:

• 1 lb shrimp, peeled and deveined
• 2 tbsp coconut oil
• 1 small onion, finely chopped
• 2 garlic cloves, minced
• 1 tbsp fresh ginger, grated
• 1 tbsp red curry paste
• 1 can (13.5 oz) coconut milk
• 1/2 cup chicken or vegetable broth
• 1 tbsp lime juice
• 1 tbsp fish sauce (optional)
• 1/4 tsp cayenne pepper (optional)
• Salt and pepper to taste
• Fresh cilantro for garnish

Instructions:

1. Heat coconut oil in a large skillet over medium heat. Sauté onion, garlic, and ginger until fragrant, about 3 minutes.
2. Stir in red curry paste and cook for 1 minute. Add coconut milk, broth, lime juice, and fish sauce. Simmer for 5-7 minutes.
3. Add shrimp to the skillet and cook until pink and opaque, about 3-4 minutes.
4. Season with salt, pepper, and cayenne if desired. Garnish with fresh cilantro and serve with cauliflower rice.

Keto Coconut Curry Shrimp is a flavorful and satisfying dish that feels indulgent while staying low-carb. Its vibrant flavors will transport your Sunday dinner to an exotic escape.

Keto Garlic Butter Lobster Tails

These Keto Garlic Butter Lobster Tails are a decadent seafood option for special Sunday dinners. With tender lobster meat bathed in a rich garlic butter sauce, this dish is a luxurious keto-friendly treat.

Ingredients:

• 4 lobster tails
• 4 tbsp butter, melted
• 2 garlic cloves, minced
• 1 tbsp lemon juice
• 1/2 tsp paprika
• Salt and pepper to taste
• Fresh parsley for garnish

Instructions:

1. Preheat your oven to 425°F (220°C). Using kitchen shears, carefully cut the top shell of each lobster tail lengthwise. Gently pull the meat out and rest it on top of the shell.
2. In a small bowl, mix melted butter, garlic, lemon juice, paprika, salt, and pepper.
3. Brush the lobster meat generously with the butter mixture.
4. Place lobster tails on a baking sheet and bake for 10-12 minutes, or until the meat is opaque and cooked through.
5. Garnish with parsley and serve with steamed broccoli or a fresh salad.

Keto Garlic Butter Lobster Tails are a show-stopping dish that turns your Sunday meal into an elegant affair. The buttery, garlicky flavors pair beautifully with the tender lobster, making this recipe unforgettable.

Keto Salmon Cakes with Lemon Dill Sauce

Keto Salmon Cakes with Lemon Dill Sauce are crispy, golden patties that pack a punch of flavor. Served with a tangy, creamy sauce, these salmon cakes are a quick and satisfying Sunday seafood option.

Ingredients:

• 2 cups cooked salmon, flaked
• 1/3 cup almond flour
• 1 egg
• 1/4 cup green onions, chopped
• 2 tbsp fresh parsley, chopped
• 1 tsp Dijon mustard
• 1 tsp garlic powder
• 1/2 tsp salt
• 1/4 tsp black pepper
• 2 tbsp olive oil

Lemon Dill Sauce:

• 1/3 cup mayonnaise
• 1 tbsp lemon juice
• 1 tsp fresh dill, chopped
• 1/2 tsp garlic powder
• Salt and pepper to taste

Instructions:

1. In a large bowl, combine salmon, almond flour, egg, green onions, parsley, Dijon mustard, garlic powder, salt, and pepper. Mix until well combined.
2. Form the mixture into 6-8 patties.
3. Heat olive oil in a skillet over medium heat. Cook the patties for 3-4 minutes per side until golden brown.
4. In a small bowl, mix all the Lemon Dill Sauce ingredients until smooth. Serve the salmon cakes with the sauce on the side.

Keto Salmon Cakes with Lemon Dill Sauce are a versatile and flavorful addition to your Sunday menu. Their crisp texture and zesty sauce make them an irresistible option for any seafood lover.

Keto Lemon Herb Baked Cod

Keto Lemon Herb Baked Cod is a light, flavorful dish that highlights the delicate taste of cod while infusing it with zesty lemon and fresh herbs. Perfect for a healthy yet satisfying Sunday dinner.

Ingredients:

• 4 cod fillets (6 oz each)
• 2 tbsp olive oil
• 2 tbsp fresh lemon juice
• 1 tsp lemon zest
• 2 garlic cloves, minced
• 2 tbsp fresh parsley, chopped
• 1 tsp fresh thyme leaves
• Salt and pepper to taste
• Lemon wedges for serving

Instructions:

1. Preheat your oven to 375°F (190°C) and line a baking dish with parchment paper.
2. In a small bowl, mix olive oil, lemon juice, lemon zest, garlic, parsley, thyme, salt, and pepper.
3. Place cod fillets in the baking dish and brush generously with the lemon herb mixture.
4. Bake for 12-15 minutes or until the fish flakes easily with a fork.
5. Serve with lemon wedges and a side of roasted asparagus or cauliflower mash.

Keto Lemon Herb Baked Cod is a simple yet elegant way to enjoy seafood on a Sunday. The bright flavors and tender texture make it a dish you’ll return to again and again for a light and wholesome meal.

Keto Spicy Shrimp Stir-Fry

Keto Spicy Shrimp Stir-Fry is a quick and flavorful meal that combines tender shrimp with crisp vegetables in a bold, spicy sauce. It’s a vibrant dish that’s perfect for a busy Sunday dinner.

Ingredients:

• 1 lb shrimp, peeled and deveined
• 2 tbsp coconut oil
• 1 red bell pepper, sliced
• 1 zucchini, julienned
• 1 cup broccoli florets
• 2 garlic cloves, minced
• 1 tbsp soy sauce or coconut aminos
• 1 tsp chili paste (adjust to taste)
• 1/2 tsp sesame oil
• 1/4 tsp red pepper flakes (optional)
• Salt and pepper to taste
• Sesame seeds for garnish

Instructions:

1. Heat coconut oil in a wok or large skillet over medium-high heat. Add shrimp and cook for 2-3 minutes until pink. Remove and set aside.
2. Add bell pepper, zucchini, broccoli, and garlic to the skillet. Stir-fry for 4-5 minutes until the vegetables are tender-crisp.
3. In a small bowl, mix soy sauce, chili paste, sesame oil, and red pepper flakes. Pour the sauce over the vegetables and stir to coat.
4. Return shrimp to the skillet and cook for 1-2 minutes, ensuring everything is heated through.
5. Garnish with sesame seeds and serve over cauliflower rice or enjoy on its own.

Keto Spicy Shrimp Stir-Fry is a versatile and nutrient-packed dish that’s full of bold flavors. It’s an easy way to incorporate seafood and veggies into your Sunday meal while staying on track with keto.

Keto Crab-Stuffed Portobello Mushrooms

Keto Crab-Stuffed Portobello Mushrooms are a rich, savory dish that combines the delicate sweetness of crab with the earthy flavor of mushrooms. This dish is a perfect centerpiece for a hearty Sunday meal.

Ingredients:

• 4 large Portobello mushrooms
• 1 cup lump crab meat
• 1/2 cup cream cheese, softened
• 1/4 cup Parmesan cheese, grated
• 2 tbsp mayonnaise
• 1 tbsp fresh parsley, chopped
• 1 tsp Dijon mustard
• 1/2 tsp garlic powder
• Salt and pepper to taste
• 2 tbsp olive oil
• 1/4 cup mozzarella cheese, shredded

Instructions:

1. Preheat your oven to 375°F (190°C). Remove stems from Portobello mushrooms and brush them with olive oil. Place them on a baking sheet.
2. In a bowl, combine crab meat, cream cheese, Parmesan cheese, mayonnaise, parsley, Dijon mustard, garlic powder, salt, and pepper. Mix until well combined.
3. Spoon the crab mixture into the mushrooms, dividing it evenly. Top each mushroom with shredded mozzarella.
4. Bake for 20-25 minutes, or until the mushrooms are tender and the tops are golden brown.
5. Serve warm with a side salad or roasted vegetables.

Keto Crab-Stuffed Portobello Mushrooms are a decadent and satisfying dish that brings sophistication to your Sunday table. The creamy crab filling pairs beautifully with the juicy mushrooms for a memorable low-carb meal.

Note: More recipes are coming soon!