1 onion
2 tbsp. butter
1 lb. hamburger
1 can (undiluted) cream of tomato or cream of chicken soup
2 tbsp. mustard
1/2 tsp. salt
1/4 tsp. pepper
1/4 c. brown sugar
Lemon juice to taste

Dice and brown onion in butter. Add hamburger and brown; drain. Add can of soup, mustard, salt, pepper, brown sugar and lemon juice to taste.