Air Fried Roasted Sweet Peppers and Onions: A Healthy and Delicious Side Dish Recipe

Air Fried Roasted Sweet Peppers and Onions: A Healthy and Delicious Side Dish Recipe

Air-fried roasted sweet peppers and onions are a healthy, flavorful dish prepared using an air fryer. Combining sweet peppers (red, yellow, orange) and onions (red and white) creates a colorful medley. The air fryer cooks these vegetables using hot air circulation, which uses less oil than traditional frying methods. This technique yields crispy, caramelized vegetables with a delicious roasted flavor.

Health Benefits of Air Frying Vegetables

Air frying provides multiple benefits to your health. Using less oil means fewer calories and less fat in your meals. Sweet peppers contain high levels of vitamins A and C, which support eye health and immune function. Onions offer antioxidants like quercetin, reducing inflammation. Air frying also preserves nutrients more effectively than boiling or deep frying. This cooking method reduces harmful compounds associated with high-heat cooking, such as acrylamides, making your food healthier.

Necessary Ingredients and Equipment

Ingredients List

For making air-fried roasted sweet peppers and onions, gather the following:

  • Sweet Peppers: Use 3-4 medium bell peppers (red, yellow, or orange).
  • Onions: Opt for 2 large onions (yellow, white, or red).
  • Olive Oil: Use 1-2 tablespoons for coating.
  • Salt: Add 1 teaspoon to taste.
  • Black Pepper: Use 1/2 teaspoon or to taste.
  • Garlic Powder: Use 1/2 teaspoon for added flavor.
  • Air Fryer: A medium to large capacity air fryer.
  • Cutting Board: Necessary for chopping vegetables.
  • Chef’s Knife: A sharp knife for slicing peppers and onions.
  • Mixing Bowl: Used for tossing vegetables with oil and seasonings.
  • Tongs or Spatula: Essential for stirring during cooking.

Step-by-Step Cooking Guide

Preparing the Vegetables

Cut the sweet peppers into strips, discarding seeds and stems. Slide a knife through the middle of each pepper, ensuring even pieces for uniform cooking. Peel and slice the onions into half-moon shapes. Place the vegetables in a mixing bowl and add 1-2 tablespoons of olive oil, ensuring they’re evenly coated. Sprinkle with salt, black pepper, and garlic powder. Mix until all pieces are well-seasoned.

Air Frying Techniques

Preheat the air fryer to 400°F for 3 minutes for optimal cooking temperature. Lay the seasoned vegetables in the air fryer basket in a single layer to ensure even air circulation. Cook for 10-12 minutes, shaking the basket halfway through for even cooking. Check for a golden-brown color and caramelized edges. Adjust the time if necessary based on the air fryer’s performance.

Serving Suggestions

Pairing Ideas

Serve air-fried roasted sweet peppers and onions alongside grilled meats like chicken breasts or steak to balance flavors with the vegetables’ sweetness. Use them as a topping for pizzas or flatbreads to add a savory, roasted note. Pair them with grains, such as quinoa or brown rice, for a nutritious, complete meal. Incorporate them into sandwiches or wraps with hummus or feta cheese for a Mediterranean twist. Combine with pasta dishes, providing color and adding a healthy vegetable component. For a lighter option, mix into green salads, enhancing texture and flavor.

Presentation Tips

Arrange the roasted sweet peppers and onions on a serving platter or large plate for a visually appealing display. Garnish with fresh herbs like parsley or basil to add color and freshness. Use a drizzle of balsamic glaze or a sprinkle of feta cheese to enhance both aesthetics and flavor. Serve in individual ramekins or small bowls if offering as a side. Create a vibrant look by mixing peppers of different colors, ensuring a striking presentation. Serve immediately after cooking to maintain their crisp texture and appealing appearance.

Alternative Seasoning Options

Herb and Spice Variations

Experimenting with different herbs and spices can elevate the flavor profile of your air-fried roasted sweet peppers and onions. Common choices include:

  • Italian Seasoning: Blend basil, oregano, and rosemary for a Mediterranean flair.
  • Cumin and Paprika: Add a smoky, earthy taste.
  • Garlic Powder and Onion Powder: Intensify the savory notes of the dish.
  • Thyme and Parsley: Create a fresh, aromatic twist.
  • Chili Flakes: Introduce heat for a spicier version.

Adjustments for Dietary Restrictions

Adapting the recipe to meet dietary needs ensures everyone can enjoy this dish:

  • Low-Sodium: Use fresh herbs instead of salt or a salt substitute.
  • Gluten-Free: Verify that all spices used are gluten-free.
  • Vegan: Avoid animal-derived seasonings like Parmesan cheese or butter.
  • Keto: Opt for high-fat seasonings such as olive oil or avocado oil.

Varying seasonings and considering dietary restrictions ensures a versatile and inclusive dish that meets diverse preferences.


Air-fried roasted sweet peppers and onions offer a delicious and nutritious addition to your meals. This simple yet flavorful dish can be customized with various seasonings and easily adapted to fit different dietary needs. Whether you’re looking to enhance your grilled meats, add a unique topping to your pizza, or boost the flavor of your salads and sandwiches, this versatile side dish has you covered. Plus, the air fryer ensures you get a crispy texture without sacrificing nutritional value. Try experimenting with different herbs and spices to find your perfect combination, and enjoy this healthy, tasty option in your culinary repertoire.

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