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Easy Coffee Buttercream Frosting

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Fluffy Coffee Buttercream Frosting is made with 6 simple ingredients in less than 10 minutes. This creamy homemade frosting is delicious on your favorite cakes, cupcakes, brownies, and more. It tastes just like a cup of full-bodied coffee in a buttercream form.


  • 2-4 tablespoons heavy cream or milk, divided
  • 2 teaspoons instant coffee
  • 2 teaspoons pure vanilla extract
  • 226 g (1 cup) unsalted butter, at room temperature
  • 450 g (1 pound) powdered sugar
  • Pinch of salt


  1. In a small bowl, whisk together 2 tablespoons of cream and the instant coffee until dissolved. Whisk in the vanilla and set aside.
  2. In a large bowl, using a handheld or stand mixer fitted with the paddle attachment beat the butter until smooth and creamy, 2-3 minutes.
  3. Add the powdered sugar and salt and mix on low speed until completely incorporated.
  4. Mix in the coffee mixture and add any additional cream for desired consistency. Increase to medium speed and beat for 4-5 minutes until light and fluffy.
  5. Using an offset spatula or knife, frost the cooled cake.
  • Prep Time: 8 minutes
  • Category: Frosting & Fillings