Not for Passover. What is Tam Tam? It is the best tasting cracker on earth. Tam Tams are a delicious treat that go perfectly with any topping or straight out of the box. And to make your snack time better, Tams come in a wide variety of flavors. For over 110 years, Manischewitz has been making a variety of specially selected foods to enhance your eating experience. This product is lactose-free and vegetarian. Product of USA.