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costco buttercream frosting recipe

Costco Buttercream Frosting Recipe

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Prep Time 15 minutes
Total Time 15 minutes
Servings: 24 servings
Ingredients Method Notes

Ingredients
  

  • 1 cup (226g) unsalted butter, softened
  • 1 cup (190g) vegetable shortening
  • 6 cups (720g) powdered sugar
  • 3 tbsp heavy cream
  • 2 tsp pure vanilla extract
  • 1/4 tsp almond extract
  • 1/4 tsp fine salt

Method
 

  1. Beat the softened butter and shortening together on medium speed for 3 to 4 minutes until pale and smooth.
  2. Add the powdered sugar in 3 additions of 2 cups each, mixing on low then medium after each addition.
  3. Add the heavy cream, vanilla extract, almond extract, and salt. Mix on low until absorbed, then beat on medium-high for 3 full minutes until smooth, glossy, and thick.
  4. Transfer to a piping bag or spread directly onto a cooled cake with an offset spatula.

Notes

This recipe frosts 24 cupcakes generously or one 9x13 sheet cake. For a two-layer 8-inch round cake, make 1.5 times the batch. The frosting keeps in the fridge for up to 2 weeks. Re-beat after bringing it back to room temperature or it will look dense.