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Sheet pan fajitas are the weeknight dinner hack you didn't know you needed. Chicken breast strips, bell peppers, and red onion go on one pan, toss with olive oil and fajita seasoning, then roast at 425°F for 20–25 minutes until everything is caramelized and full of bold flavor. One pan, minimal cleanup.
Pro Tip
Cut your peppers and onions into similar-sized strips so everything cooks evenly — uneven pieces mean some will be soft while others are still crunchy. Uniform strips roast together perfectly at 425°F.
Ingredients
- 1.5 lbs chicken breast, sliced into strips
- 3 mixed colors bell peppers, sliced
- 1 large red onion, sliced
- 3 tbsp olive oil
- 2 tbsp fajita or taco seasoning
- 8 flour tortillas
- Toppings: sour cream, guacamole, salsa, lime
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Instructions
- 1
Preheat oven to 425°F (220°C). Line a large sheet pan with foil.
- 2
Toss chicken, peppers, and onion with olive oil and fajita seasoning. Spread in a single layer on the pan.
- 3
Roast for 20–25 minutes, stirring once halfway, until chicken is cooked through and veggies are slightly charred.
- 4
Warm tortillas and serve with the fajita filling and your favorite toppings.
Total time: 10 min prep + 30 min cook · Serves: 4 · Nutritional information is an estimate and may vary based on ingredients used.
Cooking guide: Easy One-Pan Meals for Busy Weeknights
