Heat oven to 350 degrees.combine all ingredients except tomato sauce and mozzarella cheese.mix lightly.in a 10 x 6" loaf pan, shape loaf.bake 1 ?to 2 hours.drain excess fat.pour tomato sauce over loaf during last ?hour of baking time.place mozzarella cheese on top.bake 5 to 10 minutes.serves 4 to 6