Hamburger Barbecue - cooking recipe

Ingredients

1 lb. hamburger
1 onion, minced (optional)
1 c. ketchup
1 Tbsp. mustard
1 Tbsp. brown sugar
1 Tbsp. vinegar
salt and pepper to taste

Preparation

Simmer the hamburger and drain.
Add the rest of the ingredients and simmer for 15 minutes.