Preheat oven to 350°F. In ... Cool completely before frosting. Cream butter until fluffy. ... until smooth. Add vanilla and 1 tablespoon heavy cream, ... used with permission. ®
Place the potato starch in ... minutes. Turn this buttercream base into a shallow dish. ... Beat in the vanilla. Use to frost cakes at room temperature; the frosting will set when chilled. Beat ... Makes 3 1/2 cups.