Butter a slice of white bread. Spread peanut butter on the bread over the layer of butter. Sprinkle sugar over the top of the peanut butter layer.
Place a slice of wheat bread on top of the white bread and repeat the layering of butter, peanut butter and sugar. Top the wheat bread with a slice of white bread.
Cut the layered slices into 9 pieces. Insert toothpicks into the pieces and serve.
