Mrs. Dull'S Barbecue Sauce - cooking recipe

Ingredients

1/2 lb. butter
2 qt. apple cider vinegar
2 c. water
1 Tbsp. Dijon mustard
1 medium onion
3/4 to 1 c. Worcestershire
2 c. ketchup
2 c. chili sauce
juice of 2 lemons
zest of 1/2 lemon peel, grated
3 cloves garlic, crushed
2 tsp. sugar

Preparation

Place all ingredients in a large pot or Dutch oven.
Stir together and cook over medium heat for 30 minutes.
Pour into sterile bottles or jars.
Keep refrigerated.