1, peanut butter expired can not be eaten again, should be thrown away directly. Expired food, would not have been able to continue to ensure the safety of food, so consume the food within the shelf life.

2, buy peanut butter, to observe the production date of peanut butter as well as the shelf life, usually store peanut butter, to be placed in a cool, ventilated, dry place. Pay attention to the preservation period, to cover the lid, every time you finish eating, will be sealed.

3, peanut butter is a kind of condiment used to mix noodles, bread, steamed bread and other food, preservation of peanut butter, as long as it is placed in a temperature of about 20 degrees Celsius environment. If you don't eat peanut butter often, it's best to buy small bottles of packaged peanut butter, so that you can avoid consuming slow and lead to peanut butter spoilage.