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4.73 from 11 votes
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Lime Buttercream Frosting

Prep Time 10 minutes
Yield: 5 cups
Lime Buttercream Frosting only requires 6 ingredients and 10 minutes to make. This buttercream frosting is sweet and tangy and bursting with lime flavor! Perfect for cakes and cupcakes!

Equipment

  • Stand mixer or electric hand mixer whisk or paddle attachment based on personal preference

Ingredients 

  • 2 cups unsalted butter room temperature
  • 5 cups powdered sugar
  • 1 tsp lime zest approximately 1 to 2 limes
  • ¼ cup lime juice freshly squeezed, about 3 to 4 limes
  • ½ tsp salt
  • 2 tbsp heavy cream

Instructions

  • Add room temperature butter to a large mixing bowl or the bowl of a stand mixer fitted with a whisk or paddle attachment. Whip the butter for 5 minutes on medium-high speed, scraping down the sides occasionally, until the butter is light, fluffy, and pale in color.
  • Add one half of the powdered sugar and mix on the lowest speed setting until fully combined. Add remaining powdered sugar and continue to mix on low until incorporated.
  • Add lime zest, lime juice, and salt and mix on low until combined.
  • Slowly drizzle in the heavy cream while mixing on low speed. Scrape the sides of the bowl occasionally to ensure the frosting is well mixed.
  • Once the heavy cream is added, turn the speed on the mixer to medium-high and mix for an additional 3 minutes until smooth.

Notes

Lime Buttercream Frosting can be stored in an airtight container in the refrigerator for 2 weeks or in the freezer for 3 months. Thaw buttercream by bringing it to room temperature and rewhipping for 5 minutes.
 
To remove air bubbles and smooth the buttercream, mix on low speed with a paddle attachment for 5-10 minutes after the buttercream is made.

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