Marshmallow Buttercream Frosting is a fun spin on fluffy buttercream with marshmallow creme, making a simple, sticky, and sweet topping for your favorite cupcakes or treats! Marshmallow Frosting Marshmallow buttercream frosting is a light, fluffy, and creamy frosting made with butter, powdered sugar, and marshmallow fluff. It has the light fluffy texture of buttercream with the gooey, sticky, vanilla nostalgia of marshmallows. The result is a rich yet airy frosting that pairs beautifully with...
