Barbecue - cooking recipe

Ingredients

2 lb. beef, ground twice
1 large onion or 2 medium
1 can tomato paste
catsup (small bottle)
1/2 Tbsp. mustard
salt
pepper

Preparation

Cook meat in deep skillet or Dutch oven until all red has disappeared.
Cook chopped onions in separate skillet in a little butter or margarine.
Add all ingredients to beef and cook on medium heat for about 2 hours.
If too thick, add a little water while cooking.