Bbq Sauce

Ingredients

1 large onion
1 head garlic, separated into cloves
16 ounces white vinegar
16 ounces cider vinegar
1 pound butter
1 (14-ounce) container ketchup (big Sams size can)
7 cups lemon juice
2 cups sugar
2 cups brown sugar
2 tablespoons kosher salt
2 tablespoons fresh ground black pepper
3 tablespoons fresh ground mustard seed
4 tablespoons fresh ground allspice
8 shakes liquid smoke
3 to 6 tablespoons ground home grown dried tabasco peppers
2 tablespoons molasses

Instructions

In a blender or food processor, puree the onion and garlic with some of the vinegar. Melt butter in large stock pot, add onion and garlic puree, saute for about 5 minutes. Add the ketchup and stir very well. Start adding the rest of the ingredients 1 at a time stirring well and often. Simmer for about 1 hour, stirring frequently.