Sloppy Joes - cooking recipe

Ingredients

1 large onion
1 Tbsp. oleo
1 lb. hamburger
2/3 c. ketchup
1 Tbsp. mustard
1 Tbsp. sugar
1 Tbsp. vinegar

Preparation

Brown onion in oleo.
Add hamburger; brown and drain off excess
fat.
Add
ketchup, mustard, sugar and vinegar.
Simmer 10 minutes.