Opened jars of jelly, like all perishables, must be uniformly kept at 40 degrees Fahrenheit or colder in the refrigerator. If you're not sure when you're going to use it again, you can keep it in ...

As I prepared for Food & Wine’s ... we only included brands found at nationwide grocery stores or easily sourced ... Skippy screams peanut butter and jelly sandwich. $4 for 16.3-ounce jar.