Ingredient list

3 and 1/2 pounds 1st cut Beef Brisket
2 cups Heinz ketchup
1 cup brown sugar
1 and 3/4 cup apple cider vinegar
2 packages Lipton Onion Soup Mix
6 large cloves of garlic
1 tablespoon pepper
Instructions

Place all ingredients (except brisket) in a bowl and mix well.
Divide marinade in half and marinate brisket for 24 hours.
Place brisket and the marinade you marinated it in into baking pan, cover and bake 2-3 hours at 350* – fork tender.
After cooking, refrigerate overnight.
Take out and slice thinly AGAINST the grain (while cold).
Place in clean baking dish, cover with remaining marinade and reheat at 350* 15-20 minutes until hot.