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Key Lime Layer Cake Recipe

Key Lime Layer Cake Recipe
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★★★★★

5 from 13 reviews

A delightful Key Lime Layer Cake recipe featuring a soft, moist vanilla-lime cake with layers of zesty key lime frosting, topped with piped lime buttercream and zest for a burst of bright citrus flavor and creamy indulgence.

Ingredients

Scale

For the Cake:

  • 2 ½ cups all-purpose flour
  • 1 tbsp baking powder
  • ½ tsp salt
  • 1 cup unsalted butter, room temp
  • 2 cups granulated sugar
  • 4 eggs
  • 2 tbsp key lime zest
  • ⅓ cup key lime juice
  • 1 tsp vanilla extract
  • 1 cup whole milk

For the Frosting:

  • 1 cup unsalted butter
  • 3 ½ cups powdered sugar
  • 2 tbsp key lime juice
  • 1 tsp lime zest
  • 1 tbsp milk (if needed for texture)

Instructions

  1. Preheat oven to 350°F (175°C). Grease and flour three 8-inch round cake pans.
  2. Whisk flour, baking powder, and salt in a bowl.
  3. Cream butter and sugar until light and fluffy. Add eggs one at a time, then mix in zest, juice, and vanilla.
  4. Alternate adding dry ingredients and milk, mixing until just combined.
  5. Divide batter into pans and bake 25–30 minutes. Let cool.
  6. For frosting: Beat butter until fluffy, then add powdered sugar, lime juice, and zest. Adjust texture with milk.
  7. Frost and layer the cakes. Pipe swirls on top and sprinkle with zest.

Nutrition

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Find it online: https://swivily.com/key-lime-layer-cake-recipe/