Barbecue Sauce - cooking recipe

Ingredients

1 1/2 c. ketchup
3/4 c. cider vinegar
1 c. water
3/4 c. mustard
1/2 c. lemon concentrate
1/2 c. Worcestershire sauce
7 Tbsp. light brown sugar
2 1/2 tsp. crushed red pepper
1 (4 oz.) stick butter or margarine
2 chopped onions (minced is better)
16 oz. tomato paste

Preparation

Put all the ingredients in a pan and heat.