Bake biscuits according to package directions. Meanwhile, crumble sausage into a large saucepan; cook over medium heat until no longer pink. Drain and keep warm. , In the same saucepan, melt butter. Stir in the flour, mustard, salt and pepper until smooth. Gradually add milk and Worcestershire sauce. Bring to a boil; cook and stir for 2 minutes or until thickened. , Stir in sausage; heat through. Place two biscuits on each serving plate; top with gravy. ,