Barbecue Sauce - cooking recipe

Ingredients

1 large bottle catsup
3 Tbsp. brown sugar
2 Tbsp. butter or margarine
2 Tbsp. Worcestershire sauce
3/4 tsp. dry mustard
1 c. finely chopped celery
1 c. finely chopped onion

Preparation

Simmer celery and onion in the butter, then add the first 5 ingredients.