Shape sausage into 1" balls. In medium skillet, brown balls; remove and drain. Cook cut up chicken in grease drain. In skillet stir in flour, salt, and pepper until the mixture is bubbly. Stir in broth, cream, and mushrooms. Heat until thickened. Divide meats into 2 Casserole dishes. Add vegetables if desired. Divide liquid over meat. Top with a pastry shell. Cut slits into top of shell. Cover with foil. Bake 425 F. 25 minutes. Remove foil and bake until browned.
