Preheat oven to 400 degrees F. Grease a 9×13 baking dish with non-stick spray.
Place chicken strips into the baking dish. In a small bowl mix together the olive oil, chili powder, cumin, oregano and garlic powder. Pour the mixture evenly over the chicken and stir to coat.
Add the tomatoes, peppers and onions to the dish and stir to combine.
Bake uncovered for 30-35 minutes or until chicken is cooked through and vegetables are fork tender. Serve with tortillas and you favorite toppings! Enjoy ♥