Drain beef and onion; stir in Worcestershire, seasonings and soup. Blend well; set aside.
Combine flour, salt anda baking powder; cut in shortening. Add milk and stir until mixture resembles a soft biscuit dough. Pat into a greased 15X10X1" baking pan. Spread with beef. Sprinkle with cheese. Bake 25-30 minutes at 400F.