Rainbow Lemon Buttercream Frosting

3.0 (6 reviews)

Rainbow Lemon Buttercream Frosting



  • 1 1/2 cups vegan margarine
  • 1 1/2 cups vegan shortening
  • 6 cups powdered sugar
  • 2 lemons
  • 1/4–1/2 ‪cup soy milk‬‬‬‬‬‬
  • 1 tsp. vanilla
  • Pinch salt
  • Vegan food coloring (optional)


  • Cream the vegan margarine and shortening together, then add 2 cups of the powdered sugar and mix again.
  • Add the zest and juice from the lemons and mix.
  • Continue mixing while alternating adding 1 cup powdered sugar and 1 Tbsp. soy milk until a fluffy but firm consistency is reached. Add the vanilla and salt and mix again.
  • Separate the batter into as many bowls as you’d like for coloring and add food coloring to each bowl.
  • Frost your cake with a spatula. If you’d like, add the frosting to piping bags to decorate, too.

Makes 9 cups

Adapted from baker and cake decorator Ashley Shotwell’s recipe.

Rated 3.0/5 based on 6 reviews

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