INGREDIENTS
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Powdered sugar frosting, also called quick vanilla frosting, or even vanilla buttercream (let’s please not tell the French), is the frosting most Americans grew up with. It’s easy, super sweet, and does the job in a hurry.
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Powdered sugar frosting is basically this: 1 stick (4 ounces/113 grams) of softened butter, into which you beat 4 cups (a one-pound box) of powdered sugar, 1/4 teaspoon of salt, 4 to 6 tablespoons of milk (or other liquid), and 2 teaspoons of vanilla