Preparing Biscuits and Gravy Breakfast Casserole is straightforward with these easy steps:

1. Preheat Oven: Begin by preheating your oven to 350°F (175°C).
2. Cook Sausage: In a large skillet, cook the breakfast sausage over medium heat until thoroughly browned. Drain any excess fat.
3. Make Gravy: Stir in the flour, cooking for 1-2 minutes. Gradually add the milk, stirring constantly until thickened. Season with garlic powder, onion powder, salt, and pepper.
4. Prepare Biscuits: Cut the refrigerated biscuits into quarters and place them in a greased 9×13-inch baking dish.
5. Add Sausage: Pour the cooked sausage evenly over the biscuit pieces in the baking dish.
6. Pour Gravy: Gently drizzle the prepared gravy over the sausage and biscuits.
7. Add Eggs: In a bowl, whisk the eggs, then pour them over the mixture in the baking dish.
8. Top with Cheese: Sprinkle shredded cheddar cheese evenly over the top.
9. Bake: Place the dish in the preheated oven. Bake for 35-40 minutes until the casserole is set and the biscuits are golden brown.
10. Cool: Allow it to cool for 5-10 minutes before slicing.

These steps will guide you in preparing this incredible breakfast casserole with ease.