Ingredients:
1 gal. Blackberries (frozen)
4 cups Red Wine Vinegar
4 cups water
6 cups Brown Sugar
2 tsp.. Ground Cloves
2 tsp. Ground Ginger
4 tsp. Cinnamon
1 tsp. Cayenne pepper
to taste Salt
1 # butter
Combine all but butter, boil until reduced by ½ or like a Syrup. Burr Mix and Strain.
Whisk in butter while hot. Season to taste with Salt.