Betty'S Barbecue Sauce - cooking recipe

Ingredients

1 medium onion
2 Tbsp. butter
2 Tbsp. vinegar
2 Tbsp. brown sugar
4 Tbsp. lemon juice
1 c. ketchup
salt
1/2 Tbsp. prepared mustard
1/2 c. water
3 Tbsp. Worcestershire sauce
cayenne pepper

Preparation

Brown onion in butter.
Let cook until tender.
Add remaining ingredients; simmer 30 minutes.