Grandpa'S Barbecue Sauce - cooking recipe

Ingredients

1 onion
2 Tbsp. butter
2 Tbsp. vinegar
2 Tbsp. brown sugar
4 Tbsp. lemon
1 c. ketchup
1/2 Tbsp. dry mustard
1/2 c. water
1/2 c. parsley
2 tsp. salt
3 Tbsp. Worcestershire sauce

Preparation

Cook over low heat, stir occasionally.