These One-Pan Chicken Fajitas are an easy, no-fuss dinner made with tender chicken, colorful peppers, and bold fajita seasoning. Everything cooks together on one sheet pan, making cleanup quick and stress-free. This recipe is perfect for busy families who want a fast, satisfying meal. Serve it straight from the oven with warm tortillas and simple toppings everyone can customize.
- Prep Time: 10 minutes
- Cook Time: 30–35 minutes
- Total Time: 40–45 minutes
- Servings: 4
- Category: Dinner
- Cuisine: Mexican-inspired
Why You’ll Love This Recipe
- Made on one pan for easy prep and quick cleanup.
- Ready in under 45 minutes from start to finish.
- Family-friendly flavors that work for picky eaters.
- Perfect for busy weeknights or casual family dinners.
- Easy to customize with your favorite toppings.
Ingredients
- 4 tablespoons sunflower oil, divided
- 4 chicken fillets, thinly sliced
- 2 red onions, sliced into wedges
- 3 bell peppers, deseeded and thinly sliced
- 3 tablespoons fajita seasoning
- 4 flour tortillas
- Sea salt and freshly ground black pepper
Optional Extras
- ¾ cup sour cream
- Hot sauce
- Fresh cilantro leaves
- 1 lime, cut into wedges
Ingredient Notes (Optional)
- You can use mixed-color peppers for extra visual appeal.
- Chicken breasts or tenderloins both work well here.
- Adjust fajita seasoning to taste if cooking for kids.
Instruction
- Preheat the oven
Preheat your oven to 400°F. Lightly grease a large baking tray if needed. - Prepare the chicken and vegetables
Place the sliced chicken, onions, and peppers on the baking tray. Add 3 tablespoons of oil and the fajita seasoning, then toss until everything is evenly coated. Season lightly with salt and pepper. - Bake
Roast in the preheated oven for 30–35 minutes, tossing halfway through, until the chicken is cooked through and the vegetables are tender and lightly golden. - Warm the tortillas
When the chicken is almost done, heat a dry griddle pan over high heat. Brush the tortillas lightly with the remaining tablespoon of oil and toast each one for about 30 seconds per side until warm and lightly charred. - Serve
Transfer the chicken and vegetables to the table straight from the pan. Serve with warm tortillas and optional toppings so everyone can build their own fajitas.
Variations & Substitutions
- Swap chicken for shrimp and reduce cooking time to 15–18 minutes.
- Use whole wheat or gluten-free tortillas if needed.
- Add sliced mushrooms or zucchini for extra veggies.
- Make it spicier by adding chili flakes or extra hot sauce.
Storage & Reheating
Fridge: Store leftovers in an airtight container for up to 3–4 days.
Freezer: Freeze the cooked chicken and vegetables for up to 2 months.
Reheating: Reheat in a skillet over medium heat or in the microwave until warmed through.
What to Serve
- Cilantro lime rice
- Simple green salad
- Black beans or refried beans
- Corn on the cob or roasted corn
FAQ
Can I make this recipe ahead of time?
Yes, you can slice the chicken and vegetables ahead of time and store them in the fridge for up to 24 hours before cooking.
Can I use chicken thighs instead of chicken breast?
Absolutely. Chicken thighs stay juicy and work very well in this recipe.
How do I make this recipe less spicy?
Use a mild fajita seasoning and skip the hot sauce. Sour cream also helps balance heat.
How long do leftovers last in the fridge?
Leftovers keep well for 3–4 days when stored properly in an airtight container.
Nutrition (Estimated)
Calories: 420
Protein: 32g
Carbs: 35g
Fat: 18g
Fiber: 5g
Sugar: 7g
Nutrition facts are estimated using online tools and may vary based on your ingredients and preparation. For precise dietary advice, please consult a nutrition professional.
