Start your day with this quick and comforting Savory Mushroom Oatmeal, a fiber-rich and protein-packed breakfast that keeps you full and energized.
Featuring earthy shiitake mushrooms and garlic, this simple 6-ingredient meal is low in saturated fat and versatile for any diet.
Ready in just 15 minutes, it’s perfect for busy mornings, easy meal prep, or a satisfying everyday breakfast.

Savory Mushroom Oatmeal
Equipment
- 1 medium saucepan
- 1 wooden spoon or spatula
- 1 measuring cup
- 1 knife and cutting board
Ingredients
- 3 cloves garlic minced or sliced
- 1 cup rolled oats or preferred oats
- 1.5 cups water or chicken/vegetable stock
- ¼ tsp salt
- 4 shiitake mushrooms sliced
- ½ tbsp chicken bouillon powder optional if using stock
Suggested Toppings (optional):
- Chili oil eggs
- Avocado slices
- Fried garlic or shallots
- Light soy sauce
- Chopped green onions
Instructions
- Prepare Aromatics: Start by peeling and finely mincing or thinly slicing 3 cloves of garlic. The garlic will be the foundation of flavor for the oatmeal, so take a moment to do this carefully. Having evenly cut garlic ensures it cooks quickly and releases its natural aroma without burning. Set aside on a small plate until ready.
- Clean and Slice Mushrooms: Take 4 fresh shiitake mushrooms and gently wipe them clean with a damp paper towel or a soft brush to remove any dirt. Avoid rinsing them under water as mushrooms absorb moisture and can become soggy. Slice them into even pieces, about 1/4 inch thick, so they cook uniformly. Place them in a small bowl until ready to sauté.
- Heat Oil and Sauté Garlic: In a medium-sized saucepan, add 1-2 teaspoons of your preferred cooking oil (vegetable, olive, or sesame oil works well) and warm it over medium heat. Once the oil is shimmering, add the prepared garlic. Sauté for approximately 30 seconds, stirring constantly, until fragrant. Be careful not to burn the garlic—it should smell aromatic and slightly golden, not bitter.
- Cook Mushrooms Until Tender: Add the sliced shiitake mushrooms to the saucepan with the garlic. Stir gently to coat the mushrooms in the aromatic oil. Cook for 3–4 minutes over medium heat, stirring occasionally, until the mushrooms become soft and release their natural juices. You should notice a rich, earthy aroma filling the kitchen.
- Add Liquid and Seasoning: Pour in 1.5 cups of water or chicken/vegetable stock to the pan. If using water, sprinkle in 1/2 tablespoon of chicken bouillon powder for extra depth of flavor. Add 1/4 teaspoon of salt, or adjust according to taste. Bring the mixture to a gentle boil over medium-high heat, stirring occasionally to combine all flavors evenly.
- Cook the Oats: Once the liquid is boiling, slowly add 1 cup of oats to the saucepan while stirring continuously to prevent clumping. Reduce the heat to medium-low and simmer. Stir frequently as the oats absorb the liquid, cooking until tender. This usually takes about 4–6 minutes for rolled oats, but cooking time may vary depending on the type of oats you use. Adjust by adding a little more water or stock if you prefer a creamier consistency.
- Taste and Adjust Seasoning: Before serving, taste the oatmeal and adjust seasoning if necessary. Add more salt or a small drizzle of light soy sauce if desired. You can also stir in a touch of chili oil for subtle heat, depending on your preference. This step ensures that every spoonful is perfectly balanced and flavorful.
- Serve and Garnish: Ladle the cooked savory oatmeal into a bowl. Now it’s time to get creative with toppings. Popular choices include sliced avocado, chili oil eggs, fried shallots or garlic, chopped green onions, and a drizzle of light soy sauce. Each topping adds texture, color, and an extra layer of flavor. Serve immediately while warm for the best experience.
Notes
- Use rolled oats for a creamy texture; adjust liquid for desired consistency.
- Shiitake mushrooms give the best flavor, but cremini or button mushrooms work too.
- Slice garlic for a mild flavor or mince for a stronger taste.
- For a vegetarian version, skip chicken bouillon and use vegetable stock.
- Don’t overcook the oats—they should be tender but not mushy.
- Experiment with toppings: avocado, soft-boiled eggs, fried shallots, or chili oil enhance taste and texture.
- Layer toppings just before serving to maintain freshness and crunch.
- Adjust seasoning gradually; a splash of soy sauce or a pinch of salt can balance flavors.
Chef’s Secrets: Enhance Flavor And Texture
One of the secrets to elevating this dish is proper mushroom preparation.
Clean mushrooms gently and slice evenly to ensure consistent cooking.
Sautéing garlic first allows the oil to absorb its aroma, which infuses the mushrooms beautifully.
Another tip is to let the oats rest for a minute off the heat after cooking—this helps them thicken naturally without adding extra liquid.
Using a mix of water and stock can create depth while keeping sodium under control.
Finally, layering toppings—creamy avocado, crunchy fried shallots, or a touch of chili oil—creates a balance of flavors and textures that turns a simple oatmeal into a restaurant-worthy breakfast.
Serving Suggestions: Pairing And Presentation Ideas
Savory mushroom oatmeal works well as a standalone meal or as part of a larger breakfast spread.
Serve in a deep bowl and top with colorful ingredients for an eye-catching presentation sliced avocado, green onions, or a soft-boiled egg add both flavor and visual appeal.
For a heartier meal, pair it with a side of roasted vegetables or a simple salad.
A drizzle of light soy sauce or a few drops of sesame oil can enhance umami and round out the dish.
For brunch gatherings, serve in individual bowls with a variety of toppings, letting everyone customize their own bowl.
Storage Tips: Keep Oatmeal Fresh Longer
This oatmeal is best enjoyed fresh but can be stored safely in the refrigerator for up to 2 days.
Transfer it to an airtight container and let it cool slightly before storing.
When reheating, add a splash of water or stock to restore its creamy texture and heat gently on the stovetop or microwave.
Avoid freezing, as the texture may become mushy.
For toppings like avocado or fried shallots, add them only at the time of serving to preserve their freshness and crunch.
Proper storage ensures you can enjoy a quick, wholesome breakfast any day without sacrificing flavor or quality.
Frequently Asked Questions
1. Can I use other types of mushrooms?
Yes! While shiitake mushrooms offer a rich, earthy flavor, cremini, button, or oyster mushrooms can be used as alternatives.
Adjust cooking times slightly depending on the mushroom type to ensure they are tender but not soggy.
2. How can I make this recipe vegetarian or vegan?
Simply replace chicken stock with vegetable stock and skip the chicken bouillon powder. Add soy sauce or a small amount of miso paste to boost umami if desired.
3. What type of oats works best?
Rolled oats are ideal for a creamy texture, but old-fashioned or quick oats can also work. Steel-cut oats require longer cooking and more liquid, so adjust accordingly.
4. Can I meal prep this oatmeal?
Absolutely! Cook the oats, let them cool slightly, and store in an airtight container in the fridge for up to 2 days. Add fresh toppings only at the time of serving to maintain flavor and texture.
5. How do I adjust consistency?
For creamier oatmeal, add more water or stock gradually while cooking. If the oatmeal becomes too thick, a small splash of liquid when reheating will restore its smooth texture.