Sausage Casserole

1 lb sausage
1 cup bisquick
1 egg
1 cup milk
1 cup grated cheese

Brown sausage and drain.  In mixing bowl, mix bisquick, egg, and milk.  Stir until blended.  Add sausage and cheese, stir.  Pour into greased 9x9 baking dish and sprinkle grated cheese on top.  Bake at 375 for 30 minutes or until knife comes out clean.  Serve warm.