-
Prep Time: 15 minutes
-
Cook Time: 12 to 15 minutes
-
Total Time: 30 minutes
-
Yield: 4 servings
-
Course: Main Course / Dinner
-
Cuisine: Tex-Mex / Mexican-Inspired
-
Dietary Focus: High-Protein, Low-Carb (when served as a bowl or with keto wraps)
Recipe Intensity & Difficulty
-
Skill Level: Easy / Beginner
-
Heat/Spice Intensity: Medium (easily adjustable)
-
Active Effort: Low (minimal chopping and single-basket cooking)
Equipment Needed
-
Air Fryer: 4-quart or larger capacity (basket or tray style)
-
Large Mixing Bowl: For combining and seasoning ingredients
-
Tongs: For tossing and shaking the basket halfway through
-
Cutting Board & Chef’s Knife: For prepping vegetables and chicken
Ingredients
Main Fajita Mix
-
Chicken Breast or Thighs: 1.5 lbs (approx. 700g) boneless, skinless chicken breast cut into ½-inch wide strips.
-
Bell Peppers: 3 medium bell peppers (mixed colors: red, yellow, and green), sliced into ½-inch strips.
-
Yellow or Red Onion: 1 large onion, sliced thinly into half-moons.
-
Olive Oil: 2 tablespoons (extra-virgin olive oil or avocado oil).
-
Fresh Lime Juice: 1 tablespoon (plus extra lime wedges for serving).
Homemade Fajita Seasoning Mix
-
Chili Powder: 1 tablespoon
-
Ground Cumin: 1 ½ teaspoons
-
Garlic Powder: 1 teaspoon
-
Onion Powder: 1 teaspoon
-
Paprika (or Smoked Paprika): 1 teaspoon
-
Dried Oregano: ½ teaspoon
-
Salt: 1 teaspoon
-
Black Pepper: ½ teaspoon
-
Cayenne Pepper: ¼ teaspoon (optional, for extra heat)
(Note: You can substitute the single spices with 1 packet / 2 tablespoons of store-bought fajita seasoning mix).
For Serving (Optional)
-
Warm flour or corn tortillas
-
Fresh cilantro, chopped
-
Sour cream or Greek yogurt
-
Guacamole or sliced avocados
-
Fresh salsa or pico de gallo
-
Lime wedges
Step-by-Step Instructions
Step 1: Prep the Chicken and Vegetables
-
Slice the Chicken: Slice the chicken breasts against the grain into uniform ½-inch thick strips. Keeping them evenly sized ensures even cooking.
-
Slice the Veggies: Core and seed the bell peppers, then slice them into ½-inch strips. Peel the onion and slice it into strips of similar thickness.
Step 2: Season the Fajita Mix
-
Combine Spices: In a small bowl, mix together the chili powder, cumin, garlic powder, onion powder, smoked paprika, oregano, salt, black pepper, and optional cayenne pepper.
-
Coat Ingredients: In a large bowl, place the sliced chicken, bell peppers, and onions. Drizzle evenly with the 2 tablespoons of oil and fresh lime juice.
-
Mix: Sprinkle the spice mixture over the chicken and vegetables. Use tongs or clean hands to toss everything thoroughly until every piece is coated in spices and oil.
Step 3: Preheat the Air Fryer
-
Set your air fryer to 400°F (200°C) and let it preheat for 3 to 5 minutes. Preheating ensures immediate searing when the food hits the basket.
Step 4: Air Fry the Fajitas
-
Load the Basket: Transfer the seasoned chicken and vegetable mixture into the air fryer basket. Spread it out as evenly as possible. (If using a smaller 3-quart air fryer, cook in two separate batches to avoid overcrowding).
-
Set Timer: Set the air fryer to cook at 400°F (200°C) for 12 to 15 minutes.
-
Shake Halfway: At the 6-minute mark, open the basket and use tongs to shake or turn the chicken and veggies. This prevents burning and allows even browning.
-
Check Doneness: The chicken is done when it reaches an internal temperature of 165°F (74°C) on a meat thermometer and the peppers are tender with lightly charred edges.
Step 5: Warm the Tortillas & Assemble
-
While the fajitas rest for 2 minutes in the basket, wrap your tortillas in foil and warm them in the air fryer at 350°F (175°C) for 2 minutes (or microwave them wrapped in paper towels for 20 seconds).
-
Squeeze fresh lime juice over the warm fajita mix in the basket and sprinkle with chopped cilantro.
-
Serve immediately on warm tortillas with your favorite toppings.
Chef’s Tips for Success
-
Don’t Overcrowd the Basket: For best results, air circulation is key. Overcrowding will cause the veggies and chicken to steam rather than roast and char.
-
Uniform Slicing: Try to slice both the chicken and vegetables into uniform strips so they cook at the exact same rate.
-
Adding Char: If you prefer extra charred edges, toss the chicken and veggies at 12 minutes and add an extra 2–3 minutes at maximum air fryer temperature (400°F–425°F).
Variations & Customizations
-
Fajita Bowls (Low-Carb / Keto): Skip the tortillas and serve the air-fried chicken and veggies over a bed of cilantro-lime cauliflower rice or salad greens.
-
Steak or Shrimp Swap:
-
Steak Fajitas: Use skirt or flank steak cut into strips. Reduce cooking time to 8–10 minutes at 400°F for medium-rare/medium.
-
Shrimp Fajitas: Cook the veggies alone for 6 minutes first, then add raw peeled shrimp and cook together for an additional 5–7 minutes until cooked through.
-
-
Vegetarian / Vegan: Replace chicken with sliced Portobello mushrooms, black beans, or firm cubed tofu.
Nutritional Information
(Values are estimated per serving, based on 4 servings without optional tortillas and toppings).
-
Calories: 280 kcal
-
Total Fat: 10g
-
Saturated Fat: 2g
-
Trans Fat: 0g
-
-
Cholesterol: 95mg
-
Sodium: 680mg
-
Total Carbohydrates: 12g
-
Dietary Fiber: 3g
-
Sugars: 5g
-
-
Protein: 36g