Our hot dogs & sausages are grilled. Our buns toasted with butter or sunflower oil. Our hot dogs are made with all Colorado beef and produced in Greeley, CO. They do contain Sodium Nitrites. Our sausages are produced in Denver, CO. They do not contain nitrites or nitrates. They are 100% natural and organic. We do our best to prevent cross-contact from food allergens, and will try to accommodate any food intolerances, allergies, or preferences.