BBQ Sauce for Beef and Fish

3 small cans tomato sauce
1/4 cup minced onion
1/2 cup brown sugar
1 tsp. freshly ground black pepper
1/2 tsp. dry mustard
1 tsp. salt
1 tbsp molasses
1 tbsp corn syrup
1/4 tsp. cayenne pepper
1 tsp. garlic powder
2-3 tsp. liquid smoke

Mix all ingredients and simmer in a medium size saucepan for an hour stirring occasionally.