1-First Step: Prepare Your Ingredients Begin by lightly greasing a large sheet pan to prevent sticking and ensure easy cleanup. Slice the 1 1/2 pounds of chicken breasts into 1/2-inch thick strips and cut the 3 bell peppers and 1 yellow onion into even strips for uniform cooking. This step sets the foundation for your easy sheet pan chicken fajitas with onions and peppers, allowing flavors to meld perfectly.

2-Second Step: Arrange on the Pan Lay the sliced vegetables evenly on the greased sheet pan, then place the chicken strips on top for even heat distribution. Preheat your oven to 425 degrees F to get it ready for baking. At this point, you can adapt for dietary needs, like adding more veggies for a vegetarian twist on this chicken fajita recipe.

3-Third Step: Mix the Seasoning In a small bowl, combine 1 Tablespoon chili powder, 1 1/2 teaspoons cumin, 1 1/2 teaspoons paprika, 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, 1/4 teaspoon salt, and optional black and cayenne peppers. Sprinkle most of this seasoning over the chicken and some over the vegetables for balanced flavor. This is where your one-pan dinner really starts to shine with that authentic baked chicken fajitas taste.

4-Fourth Step: Add Flavor Boosters Spoon the 2 minced garlic cloves over the chicken for an extra punch of flavor. Drizzle 3 Tablespoons of olive oil across the entire pan to help everything roast beautifully. Toss all the ingredients together well and spread them into an even layer on the pan, ensuring nothing overlaps for optimal results in your oven chicken fajitas.

5-Fifth Step: Bake to Perfection Bake in the preheated oven for 15-20 minutes, or until the chicken reaches an internal temperature of 165 degrees F. During the last 5 minutes, wrap 8-10 small flour tortillas in foil and warm them in the oven. This step is crucial for your quick chicken fajitas with peppers and onions to achieve that desirable char and tenderness, and you can check for doneness to adapt for various preferences.

6-Sixth Step: Finish and Serve Once out of the oven, squeeze the juice from 1 lime over the chicken and vegetables, then sprinkle with 1/4 cup chopped cilantro for a fresh finish. Serve the mixture in the warm tortillas, topped with favorites like sour cream or guacamole. This final touch makes your sheet pan chicken fajitas a complete, adaptable meal for any occasion. For more dessert ideas after your meal, check out our berry trifle recipe for a sweet ending.