Heat oven to 350°F. Bake biscuits as directed on can.
Meanwhile, crumble sausage into large skillet. Cook over medium-high heat until browned and no longer pink, stirring frequently.
With wire whisk, stir in flour, salt and pepper. Gradually stir in milk. Cook until mixture thickens, stirring constantly. Split warm biscuits; place on serving plates. Serve sausage mixture over warm split biscuits.