The peanut butter and jelly sandwich , or PB&J , is a sandwich , popular in North America , that includes a layer of peanut butter and either jelly or jam on bread , commonly between two slices of bread , but sometimes eaten open-faced or with one slice folded over .
The peanut butter and jelly sandwich or PB&J is a sandwich , popular in North America . It has a layer of peanut butter and either jelly or jam usually on 2 slices of bread .