Tangy Spare Rib Sauce

Grrrrrgh!
Course : BBQ Sauce
From: HungryMonster.com
Serves: 6
 

Ingredients:

1 medium onion -- finely chopped
1/2 cup finely chopped celery
2 tablespoons butter or margarine
1 cup ketchup
1 cup water
1/4 cup lemon juice
2 tablespoons vinegar
2 tablespoons brown sugar
1 tablespoon Worcestershire sauce
1/2 teaspoon dry mustard
1/8 teaspoon pepper
1/8 teaspoon chili powder
 

Preparation:

In a medium saucepan, sauté onion and celery in butter for 4-5 minutes or until tender. Add remaining ingredients; mix well. Bring to a boil, reduce heat. Cook and stir until slightly thickened, about 10-minutes. Remove from the heat.