1 1/2 lbs. ground beef
1 (8 oz.) can tomato sauce
3/4 c. oats
1/4 c. chopped onion
1 egg
1 tbsp. Worcestershire sauce
1 1/2 tsp. salt
1 tsp. oregano
1/4 tsp. pepper
1 (6 oz.) pkg. mozzarella cheese

Combine all ingredients except cheese. Divide meat into thirds. Pat 1/3 of meat in the bottom of a 9 1/2" x 5" x 3" pan. Cover with cheese. Continue with next meat layer, add cheese again; ending with meat mixture on top. Bake at 350 degrees for 1 hour.