Bake biscuits according to package directions.
Meanwhile, cook sausage in large skillet over medium heat 5-6 minutes or until thoroughly heated, stirring frequently. Stir in flour. Gradually add milk; cook until mixture comes to a boil and thickens, stirring constantly. Reduce heat to medium-low; simmer 2 minutes, stirring constantly. Season to taste with salt and pepper.
Split biscuits in half. Place 2 halves on each of 8 plates; top with about 1/3 cup gravy.