Combine beef, sausage meat, cooked rice, salt, pepper and eggs. Shape into 6 or 12 slightly flattened little footballs.
Place in greased baking dish and bake at 450 degrees for 40 minutes.
To serve the Salisbury Steak with Onion Gravy, heat 2-1/2 cups water, add onion soup mix and cook covered for 10 minutes. Mix flour with remaining 1/2 cup water until smooth,; gradually stir in soup. cook, stirring until thickened. Serve in separate sauce boat.