1 lb. ground beef
1 c. regular oats
1 med. onion
1 beaten egg
1 1/2 tsp. salt
1/2 tsp. pepper
1 (8 oz.) can tomato sauce
1/2 c. water
2 tbsp. brown sugar
2 tbsp. prepared mustard
2 tbsp. vinegar

Combine first 5 ingredients with 1/2 cup tomato sauce; mix well. Pack into a lightly greased loaf pan. Bake at 350 degrees 15 minutes. Combine remaining ingredients; stir well. and pour over meat loaf. Bake 45 minutes longer.