1 1/2 cup unsalted butter, 8-10 confectioners' sugar, 3/4 cup milk, and 1 tablespoon vanilla extract. Recipe from More from Magnolia by Allyssa Torey/Simon & Schuster, 2004.
Is a buttercream frosting the way to go ... The Frosting-Lover’s Cake: Magnolia Bakery’s Vanilla Birthday Cake and Frosting ...