Heat and serve or just thaw and serve.These Franks from our new processor have no casings. Smoked but not cured. No nitrates. No sugar. These franks are thicker than typical hot dogs. Ingredients: U.S. raised grass-fed beef trim, water, seasonings: (sea salt, paprika, ground mustard seed, whole mustard seed, ground mace, granulated garlic, black pepper, ground celery seed, white, pepper), sodium lactate, celery juice powder (celery powder, sea salt). U.S. raised grass-fed beef.