Cook sausage until browned in a heavy skillet, drain well.
Spoon sausage into a lightly greased 13- x 9- x 2-inch baking dish.
Combine hot grits, cheese, and butter.
Stir until cheese and butter melt.
Combine eggs and milk, stir into grits.
Pour over sausage.
Bake at 350Â° for 1 hour.
Garnish casserole with pimiento strips and parsley, if desired.
Note: This can be made and refrigerated overnight, and baked next day.