1 pkg. (2 loaves) frozen bread dough
1 1/2 lbs. lean ground beef
Chopped onion
Green pepper
Mushrooms (optional)
2 or 3 tomatoes
1 sm. amount of your favorite spaghetti sauce
Grated sharp Cheddar cheese
Grated Mozzarella cheese

Defrost dough according to package instructions. Cook beef, onions, peppers, mushrooms (you can add other ingredients according to your taste, such as pepperoni, etc.) Drain very well. Add small amount of spaghetti sauce (meat should not be too moist).

Spread defrosted dough to edges of greased 10x15 inch cookie sheet. Layer meat mixture, tiny pieces of tomatoes, the cheese to within 2 inches of both ends of dough. Roll one side over mixture, bring other side over and secure with toothpicks. Pinch edges to close.

Beat egg whites sprinkled with Parmesan cheese and brush on top of both loaves. Bake at 375 degrees for 1/2 hour. Cool, cut in pieces. Wrap in aluminum foil and freeze.