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Crispy Polenta Slices

Karina Kari
Golden, crispy polenta slices made in the air fryer are a quick, healthy snack or side.
Naturally gluten-free, low in carbs, and rich in fiber, these bites are easily customized with your favorite seasonings or dipping sauces, making them a versatile addition to weeknight dinners or appetizer spreads.
Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes
Course dinner, lunch, Side, Snack
Cuisine Italian
Servings 4

Equipment

  • 1 Air Fryer
  • 1 sharp knife
  • 1 cutting board
  • 1 Small brush or oil spray
  • Paper Towels

Ingredients
  

  • 18 oz precooked polenta tube
  • 1 tablespoon extra-virgin olive oil
  • 1 teaspoon sea salt
  • ¼ teaspoon black pepper adjust to taste
  • 2 tablespoons grated Parmigiano-Reggiano cheese
  • ¼ cup thin slices Parmigiano-Reggiano cheese
  • Favorite dipping sauce marinara recommended

Instructions
 

  • Prepare Your Dipping Sauce: Before starting with the polenta, decide on your dipping sauce.
    If using a homemade marinara or tomato-based sauce, prepare it first so it’s ready when the polenta slices come out of the air fryer.
    This ensures the slices can be served hot and fresh.
    A store-bought sauce also works well, saving you time without sacrificing flavor.
  • Preheat the Air Fryer: Turn on your air fryer and set it to 400°F (200°C).
    Preheating ensures the polenta slices begin crisping immediately, giving them that golden exterior without sticking.
    Most air fryers take 3–5 minutes to reach temperature—follow your manufacturer’s guidelines for best results.
  • Slice and Dry the Polenta: Take your tube of precooked polenta and carefully slice off one end.
    Gently squeeze the polenta onto a cutting board to release the entire tube.
    Using a sharp knife, cut the polenta into rounds about ½-inch thick.
    Pat each slice gently with a paper towel to remove any surface moisture—this step is key to achieving a crisp, golden exterior.
  • Season and Oil the Polenta: Brush each polenta slice with a thin layer of extra-virgin olive oil, coating both sides evenly.
    Alternatively, you can lightly spray them with cooking oil.
    Sprinkle sea salt and black pepper on both sides according to your taste.
    This simple seasoning enhances the natural corn flavor while ensuring a flavorful crust.
  • Prepare the Air Fryer Basket: Spray the air fryer basket or tray with nonstick spray to prevent the polenta slices from sticking during cooking.
    Arrange the slices in a single layer, leaving a small space between each piece to allow air circulation, which promotes even browning and crisping.
    Avoid overcrowding the basket.
  • Air-Fry Until Golden and Crisp: Place the basket in the preheated air fryer and cook the polenta slices at 400°F (200°C) for 25–30 minutes.
    About halfway through the cooking time, use tongs to flip each slice gently.
    This ensures both sides develop a uniform golden-brown color and a crunchy texture.
    Keep an eye on them in the final 5 minutes to prevent over-browning.
  • Add Grated Cheese for Extra Flavor: Once the slices are crisp, sprinkle 2 tablespoons of grated Parmigiano-Reggiano cheese evenly over the top of the polenta rounds.
    Return them to the air fryer for 1–2 minutes, just long enough for the cheese to melt and turn slightly golden, creating a rich, savory layer.
  • Serve with Additional Garnishes: For an added touch, sprinkle extra Parmigiano-Reggiano or finely chopped fresh Italian parsley over the slices.
    Arrange them on a serving plate with your prepared dipping sauce on the side.
    Serve immediately for the best texture and flavor.

Notes

  • Yield: An 18-ounce tube of precooked polenta yields about 12 slices when cut ½-inch thick.
  • Alternative Cuts: For variety, try cutting the polenta into sticks to make crispy fries or squares for bite-sized appetizers.
  • Seasoning Ideas: While classic salt and pepper work beautifully, feel free to experiment with garlic powder, smoked paprika, chili flakes, or Italian herbs for added flavor.
  • Cheese Options: Parmigiano-Reggiano adds a savory crunch, but plant-based cheeses can be used to make a dairy-free version.
  • Serving Variations: Polenta slices can be served plain, with dipping sauces, or turned into mini polenta pizzas topped with tomato sauce and cheese.
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