Preheat oven to 375 degrees Fahrenheit; lightly grease a 9x13 baking dish.

Brown sausage in a large skillet over medium heat until fully cooked; do not drain grease.

Sprinkle with flour; stir one minute.

Gradually add milk, stirring constantly; cook until gravy thickens. Season with salt and pepper.

Quarter raw biscuits; spread evenly over dish's bottom.

Pour hot gravy evenly over biscuits.

Bake 30 to 35 minutes, until biscuits are golden brown and cooked through.