Arrange pieces of biscuit dough in an even layer inside the baking dish.
Top with cooked crumbled sausage.
Sprinkle a layer of cheese over the sausage.
Whisk together eggs, milk, salt, and pepper, and pour this over the casserole.
Finally, prepare the white gravy, and pour this over top.
Bake the casserole at 350ºF for 40 minutes, until puffed and golden.
Serve up this biscuits and gravy casserole for a hearty, cheesy, and satisfying breakfast or dinner!