1 Quarter, Core, And Slice The Apple Into Thin Slices. 2 Spread Peanut Butter Over One Slice Of Bread, Going All The Way To The Edges. Make Sure To Use Enough Peanut Butter So That The Apple Slices Stick. 3 Place Apple Slices Over The Peanut Butter In A Single Layer. Top With Another Slice Of Bread. Cut In Half.