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. Remove sausage from skillet. Drain. Set aside.
Melt butter in medium saucepan over medium heat. With wire whisk, stir in flour, garlic powder and pepper. Gradually stir in broth and half-and-half. Cook until mixture thickens, stirring constantly. Stir in cooked sausage. Split warm biscuits; place on serving plates. Serve sausage mixture over warm split biscuits.