These sheet pan steak fajitas are a quick and flavorful dinner made with tender steak, roasted peppers and onions, all seasoned with taco spices and fresh lime. Everything cooks together on one pan for easy prep and cleanup. Serve with warm tortillas or rice and your favorite toppings for a customizable, crowd-pleasing meal.
Preheat oven to 400°F and line a sheet pan with aluminum foil.
Place the steak in the middle of the pan with the onions on one side and the peppers on the other side. Drizzle the olive oil all over and season with the taco seasoning. Use tongs to toss the steak and vegetables with the oil and seasoning until evenly coated. Place the lime wedges on the pan.
Cook for 10-12 minutes until the vegetables soften and the steak is browned on the outside, depending on desired doneness.
Squeeze the cooked lime wedges over the steak and vegetables. Serve immediately with warmed tortillass or cooked rice along with desired toppings.