Preheat oven to 375 degrees F. Lightly spray a 7x11 inch casserole dish with non-stick cooking spray.

Open the can of biscuits and cut each one into 4 quarters. Evenly place half of the biscuits onto the bottom of the casserole dish and bake for 10 to 11 minutes, or until they start to brown.

Crumble sausage with two-thirds of the butter into a large skillet. Cook over medium high heat until completely browned and thoroughly cooked.

Stir in the flour, salt and the pepper until combined, continue to cook for a minute or so, continuing to stir the gravy so it doesn't stick.

Gradually add the milk, pouring with one hand and stirring with the other. Allow the gravy mixture to come to a boil, stirring constantly. Turn down to a simmer and allow to cook another 3 to 4 minutes or until thickened.

Pour gravy over the cooked biscuits and top with the remaining biscuit quarters.

Bake for 13 to 17 minutes. Brush the tops of the biscuits with the rest of the butter, melted.  Serve while warm and enjoy!