Yes, fluff can be eaten alone as if right out of the jar. However, there are many uses for fluff too! Marshmallow fluff can be used as a topping for pies, cakes, or even fruit based crumbles. However, marshmallow fluff tastes great in the center of a chocolate cupcake or on top of ice cream. Cheat the next time you are craving s'mores! Spread a bit of fluff on your graham crackers and add some chocolate.