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How to make American Buttercream Frosting

American buttercream frosting (aka AMBC Frosting) is the easiest frosting to make, and goes well on cakes and cupcakes.

Tip: If the frosting is too thick, add 1 tbsp of milk at a time to thin it out. If the frosting is too thin, add 1/4 cup of powder sugar at a time to thicken it.

American Buttercream Frosting

Author: sugarcoder


  • 1 part butter
  • 4 parts powdered sugar
  • 1 tsp vanilla extract optional