Heat and serve or just thaw and serve. Our bratwursts from our new processor have no casings. Smoked but not cured. No nitrates. No sugar. Our beef bratwurst come five to a pack. Ingredients: U.S. raised grass-fed beef trim, water, sodium lactate, seasonings: (sea salt, mustard seed, black pepper, crushed red pepper, sage.), celery juice powder (celery powder, sea salt). U.S. raised grass-fed beef.