All-American Buttercream Frosting

• ½ pound (2 sticks) unsalted butter, at room temperature
• 6 to 7 cups

In the bowl of a stand mixer fitted with the paddle attachment (or in a large mixing bowl, using a handheld mixer), cream the butter on medium speed for 2 to 3 minutes, until light and fluffy. Add 4 cups of the confectioners’ sugar, ½