Makes 33?4 cups
1 cup (2 sticks) unsalted butter, preferably organic, room temperature
2 cups sifted confectioners’ sugar
1 jar (7 1?2 ounces) Marshmallow Fluff
2 teaspoons pure vanilla extract, preferably organic
In the bowl of an electric mixer fitted with the paddle attachment, cream together butter and sugar until pale and fluffy, about 3 minutes. Add Fluff and vanilla and continue mixing until well combined.
– Recipe also available on MarthaStewart.com