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Buttercream Frosting for Cookies

The best American buttercream frosting for cookies that hardens just enough for stacking and easy transportation.
Total Time 20 minutes
Course Dessert
Servings 24 Cookies

Ingredients
  

  • 5 cups confectioner's sugar sifted
  • 12 tbsp unsalted butter cold
  • 6 tbsp heavy whipping cream
  • 2 tsp vanilla extract
  • pinch of salt

Instructions
 

  • In a stand mixer with a paddle attachment, mix the cold butter for 3 minutes to soften butter.
  • With the mixer on low, add the confectioner's sugar one cup at a time. Scrape down the bowl as needed.
  • Add heavy whipping cream, vanilla extract and salt.
  • Mix on high for 5 minutes. Scrape down the bowl halfway through to ensure everything is mixed evenly.
  • Color frosting if desired.

Notes

  • This frosting hardens fairly quickly once you have piped it, so do not wait too long to get it into the piping bag and begin using it. 
  • It is best to wait a few hours after you have decorated your cookies before stacking or packaging cookies, to give enough time for hardening. 
  • While this buttercream hardens, it is still soft compared to royal icing. Be gentle when packaging or stacking the cookies.