Gluten Free Marshmallow Fluff, 454g/16 oz. Container Marshmallow Fluff is a classic comfort food! Similar in flavor, but not texture, to regular solid marshmallow. The perfect back to school snack, fluffernutterâs sandwich, peanut butter and FLUFF! Marshmallow Fluff has been produced using the same batch process for 100 years and is the only marshmallow made this way. Itâs what makes Marshmallow Fluff so fluffy, white, smooth and delicious. Itâs the key to making delicious recipes such as Fudge,...