Barbecue Sauce - cooking recipe

Ingredients

1/2 c. vinegar
1 c. water
2 Tbsp. sugar
2 Tbsp. prepared mustard
3 slices lemon or lemon juice
1/2 stick butter
1 tsp. black pepper
1/2 tsp. salt
1/2 to 3/4 tsp. cayenne pepper
4 Tbsp. Worcestershire sauce
1 c. catsup

Preparation

Simmer first 9 ingredients for 20 minutes, uncovered.
Add Worcestershire sauce and catsup.
Let come to rolling boil.
Remove from heat.
Store in refrigerator.