Marshmallow Buttercream Frosting

  • Author: krazykitchenmom


This is a great time-saver. Marshmallow Buttercream Frosting makes box or bakery cakes taste like they are homemade.



  • 1 cup (two sticks) unsalted butter at room temperature
  • 1 7-ounce jar of marshmallow fluff
  • 2 cups confectioners sugar
  • 1 teaspoon vanilla
  • 3 teaspoons milk


  • In a stand mixer or using a hand mixer, beat butter until it’s fluffy.
  • Add the entire jar of marshmallow fluff, vanilla, and milk.
  • Add the confectioners sugar 1/2 cup at a time; mixing in each 1/2 cup.
  • Beat the frosting for 2 minutes.
  • Place frosting it a pastry bag with the desired decorating tip.