Steak fajitas

Steak fajitas 3 bell peppers Julian cut 2 white onion Julian cut Seasoning on steak Garlic powder 1 tablespoon Onion powder 1/2 tablespoon Cumin 1/2 tablespoon Chilli powder 1 tablespoon Salt 1 1/2 tablespoons Pepper 1 tablespoon Cook meat first covered in aluminum Trey for 1/2 hour at 350 degrees then uncover add veggies and cook another 10-15 min