2 lbs. lean ground beef
3/4 c. chopped onions
1 c. Italian bread crumbs
1 egg
1/2 tsp. salt
1/4 tsp. pepper
3/4 tsp. oregano
1 c. shredded Cheddar cheese
1 c. shredded Mozzarella cheese
2 (8 oz.) cans tomato sauce

Combine onion, bread, crumbs, egg, spices, and 1 1/2 cans of tomato sauce. Mix in ground beef. Pat into rectangle on wax paper. Sprinkle with cheeses. Roll like jelly roll. Seal both edges. Bake for 1 hour at 350 degrees. Add remaining tomato sauce. Bake 15 minutes more.