Different ways of preparing this sandwich:
1. Peanut butter and jam sandwich: Spread jam on one side of the slice. Top it with another slice. Then, spread peanut butter. Top the peanut butter with another slice of bread.
2. Bread butter jam: Spread jam on one side of the slice. Top it with another slice. then, spread butter. Top the butter with another slice of bread.
3. You can do any of the above after toasting the bread.