Brown the beef and sausage along with the diced onion, garlic, and pepper over medium heat; drain. Stir in the remaining ingredients, except for 1 cup of shredded cheese.
Cook and stir until fully heated and serve.
OR
Turn into a 13x9x2” baking dish. Sprinkle with the remaining cheese. Cover and bake for 25 minutes or until bubbly. Bake uncovered for 5-10 minutes longer or until the cheese is melted.