How to make a peanut butter jelly? It’s really easy and simple. First, you need to prepare all the ingredients you will need of how to make a peanut butter jelly. Second, get the two slices of bread and put them in the plate. Then get the first slice of bread and put the peanut butter in it using knife and spread the peanut butter all over the bread. After you put the peanut butter in the first slice of bread. Then get the other slice of bread and put the jelly in it using the same knife and spread the jelly all over the bread. Lastly, put the two bread together and there you have your peanut butter