In a large saucepan, saute the onion and garlic. Add all ingredients and bring to a slow boil. Lower heat and let simmer for 20 minutes or until it begins to thicken and becomes more sauce like. Great served with grilled chicken, salmon, or steak.
Recipe by Five Wooden Spoons at https://www.fivewoodenspoons.com/2013/05/13/jack-daniels-sauce/