Air Fryer Bell Peppers and Onions

Colorful bell peppers and sweet onions roasted to perfection in the air fryer! This quick and easy side dish is packed with flavor, naturally healthy, and pairs wonderfully with chicken, steak, fajitas, sandwiches, burgers, or grain bowls.

Preparation Time

Servings

4 servings

Ingredients

For the Peppers & Onions

• 3 bell peppers (red, yellow, and green), sliced into strips
• 1 large onion, sliced
• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1 teaspoon Italian seasoning
• ½ teaspoon paprika
• ½ teaspoon salt
• ¼ teaspoon black pepper

Optional Garnishes

• Fresh parsley, chopped
• Grated Parmesan cheese
• Red pepper flakes
• Fresh lemon wedges

Instructions

Step 1: Prepare the Vegetables

1. Wash and dry the bell peppers.
2. Remove the seeds and slice into thin strips.
3. Slice the onion into similar-sized strips.

Step 2: Season

1. In a large bowl, combine peppers and onions.
2. Drizzle with olive oil.
3. Add garlic powder, Italian seasoning, paprika, salt, and pepper.
4. Toss until evenly coated.

Step 3: Air Fry

1. Preheat the air fryer to 380°F (193°C) for 3 minutes.
2. Place the vegetables in the air fryer basket in an even layer.
3. Cook for 12–15 minutes, shaking the basket halfway through cooking.
4. For extra caramelization, cook an additional 2–3 minutes.

Step 4: Serve

1. Transfer to a serving dish.
2. Garnish with parsley, Parmesan cheese, or a squeeze of fresh lemon juice if desired.
3. Serve immediately.

Tips for Success

✔ Slice vegetables evenly for uniform cooking.
✔ Avoid overcrowding the basket to ensure proper roasting.
✔ Shake the basket halfway through cooking for even browning.
✔ Add sliced mushrooms or zucchini for extra vegetables.

Serving Suggestions

• Fajitas
• Tacos
• Steak
• Grilled chicken
• Sausage sandwiches
• Rice bowls
• Scrambled eggs

Storage

Refrigerator

Store in an airtight container for up to 4 days.

Reheating

Reheat in the air fryer at 350°F (175°C) for 2–3 minutes.

Nutrition (Per Serving)

Weight Watchers Points

WW Points: 1 per serving

FAQs

Can I use frozen peppers and onions?

Yes. Add 2–4 extra minutes to the cooking time and shake the basket more frequently.

Which bell peppers work best?

A mix of red, yellow, orange, and green peppers provides the best color and flavor balance.

How do I make them spicy?

Add ¼ teaspoon cayenne pepper or red pepper flakes before cooking.

Can I meal prep these?

Absolutely! They store well and are perfect for quick lunches and dinners throughout the week.

Can I cook them without oil?

Yes, but a small amount of oil helps achieve better browning and flavor.

Recipe Notes

• Air frying gives peppers and onions delicious caramelized edges without needing much oil.
• This recipe is naturally vegan, gluten-free, low-carb, and keto-friendly.
• Great for meal prep and easy weeknight meals.
• Leftovers are delicious in omelets, wraps, sandwiches, and salads.

Copy & Paste Ingredients

3 bell peppers (red, yellow, and green), sliced
1 large onion, sliced
1 tbsp olive oil
1 tsp garlic powder
1 tsp Italian seasoning
½ tsp paprika
½ tsp salt
¼ tsp black pepper

Optional:
Fresh parsley
Grated Parmesan cheese
Red pepper flakes
Lemon wedges

Air Fryer Tip 🫑

For restaurant-style fajita vegetables, cook at 400°F (204°C) for the last 2–3 minutes to create beautifully charred edges and extra flavor! ✨🧅🫑