A familiar combo gets a lofty treatment in this filling after-school bite. To prep it, slice a small apple crosswise, core the pieces, and place a few tablespoons of peanut butter in a bowl. Give your child a spreader and let him build and eat his own stack.

THIS FOR THAT

For an allergen-free snack, replace the nut butter in the Stackable Snack with sunflower seed butter.