Pontack sauce refers to a spicy elderberry sauce which is made by steeping elderberries in cider vinegar for several hours before straining to remove the skin and seeds and then its simmered with ginger, shallots and a blend of spices. Pontack sauce said to give extra flavor to sauces and gravies and said to be amazing when use for duck, pork and venison dishes. Traditionally, it is said that Potack sauce must be left to mature for 7 years before it can be use.