These Sheet Pan Chicken Fajitas are bold, juicy, and bursting with flavor. With just one pan, you can cook tender chicken, sizzling peppers, and onions tossed in a zesty fajita seasoning. Serve with warm tortillas and your favorite toppings for an easy, customizable dinner that’s both healthy and crowd-pleasing.
📝 Ingredients (Serves 4)
- Chicken breast or thighs (boneless, skinless) – 500g, thinly sliced
- Bell peppers (red, yellow, or green) – 3, sliced into strips
- Red onion – 1 large, sliced
- Olive oil – 2 tbsp
- Lime juice – 1 tbsp
- Garlic (minced) – 2 cloves
- Fajita seasoning – 1 tablespoon (or see homemade mix below)
- Salt & pepper – to taste
- Fresh cilantro – for garnish
- Whole wheat or low-carb tortillas – for serving
Optional Toppings:
- Sliced avocado or guacamole
- Greek yogurt or sour cream
- Salsa or pico de gallo
- Shredded cheese
- Fresh lime wedges
👨🍳 Instructions
1. Preheat oven
Set your oven to 220°C (425°F). Line a large baking sheet with parchment paper or foil for easy cleanup.
2. Season everything
In a large bowl (or directly on the pan), toss chicken, bell peppers, and onion with olive oil, lime juice, garlic, fajita seasoning, salt, and pepper.
3. Spread and roast
Arrange everything in an even layer on the sheet pan. Bake for 18–22 minutes, flipping once halfway through, until chicken is fully cooked and veggies are slightly charred.
4. Serve hot
Sprinkle with fresh cilantro. Serve with warm tortillas and toppings of choice.
🌶️ Homemade Fajita Seasoning (Optional)
Mix together:
- 1 teaspoon chili powder
- ½ teaspoon cumin
- ½ teaspoon smoked paprika
- ½ teaspoon garlic powder
- ½ teaspoon onion powder
- ¼ teaspoon oregano
- Pinch of cayenne (optional)
- ½ teaspoon salt
🧬 Nutrition Facts (per serving, without toppings)
| Nutrient | Amount |
|---|---|
| Calories | ~320 kcal |
| Protein | ~30g |
| Carbohydrates | ~12g |
| Fiber | ~3g |
| Fat | ~16g |
| Sugar | ~5g (from veggies) |
💡 Tips & Variations
- Make it low-carb: Serve over cauliflower rice or lettuce wraps instead of tortillas.
- Add veggies: Try mushrooms, zucchini, or corn for extra volume and flavor.
- Spice it up: Add sliced jalapeños before roasting or a drizzle of hot sauce after baking.
- Meal prep tip: Store leftovers in meal prep containers with rice or quinoa for easy lunches.
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