Stove top: Heat in saucepan on low heat. Stir occasionally. Serve when warm. Microwave: heat in microwave safe container until warm. Stir then serve. Refrigerate after opening. After opening, this product has a 10 day shelf life, but can be frozen for an extended period. Button on lid pops up when original seal is broken. If button is open prior to opening, do not use and return to place of purchase. Serving suggestion: Try our Sabrett “Onions in Sauce” in your next meatloaf or pot roast. Perfect toppings for Sabrett hamburgers and hot dogs.