Buttermilk frosting is a sweet vanilla buttercream frosting that's got a hint of tang from the added buttermilk. It's great on buttermilk cupcakes, brownies, and cinnamon rolls!
4cups(456g)confectioner's sugarsifted to remove lumps
¼cup(56g)buttermilkcold
1teaspoonvanilla extract
¼teaspoonsalt
Instructions
In a large bowl, add room temperature butter. Using a hand mixer or stand mixer, beat until creamy and smooth, about a minute.
Add confectioner's sugar, 1 cup at a time, mixing slowly until combined. Then, whip at high speed for 2-3 minutes, or until light and fluffy.
Add buttermilk, vanilla, and salt, then whip until fluffy, another 1 to 2 minutes.
Pipe or spread frosting with a knife onto cupcakes and serve.
Notes
Yield: About 3 ½ cups
How much frosting do I need? Recipe makes enough to frost up to 15 cupcakes with piped frosting, 24 cupcakes spread with a knife, a 9x13 sheet cake, a 13x18 sheet cake, or a round 8 or 9 inch 2-layer cake on the top, sides, and middle.
Decorate while fresh: This frosting will crust, so sprinkles or additional decorations need to be added before your frosting dries.
Storage: Buttercream frosting will keep for 3-4 days at room temperature, up to a week in the refrigerator or 3 months in the freezer.