Breakfast Casserole With Sausage, Hashbrowns And Eggs Breakfast Casserole Ingredients 1 pound sausage (I prefer hot, but mild or sweet also work) 1 medium white onion, peeled and diced 3 cloves garlic, minced 1/2 red bell pepper 1/2 green bell pepper 6 eggs 1/3 cup milk 1 (20 ounce) bag frozen hash browns, thawed 2