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A slice of Key Lime Cake with Cream Cheese Frosting garnished with fresh lime zest
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Key Lime Cake with Key Lime Cream Cheese Frosting

A delightful Key Lime Cake topped with creamy Key Lime Cream Cheese Frosting, bringing a taste of sunshine to every gathering.
Prep Time20 minutes
Cook Time30 minutes
Total Time50 minutes
Course: Dessert
Cuisine: American
Keyword: Easy
Servings: 10 servings
Calories: 480kcal

Equipment

  • Mixing Bowl
  • Cake Pans
  • Whisk
  • Electric Mixer

Ingredients

Dry Ingredients

  • 2.5 cups All-purpose flour
  • 1 tablespoon Baking powder
  • 0.5 teaspoon Salt

Wet Ingredients

  • 1 cup Unsalted butter, softened
  • 2 cups Sugar
  • 4 large Eggs
  • 1 tablespoon Lime zest
  • 0.25 cup Fresh lime juice
  • 1 cup Milk

Frosting Ingredients

  • 1 cup Unsalted butter, softened
  • 3 cups Powdered sugar
  • 2 tablespoons Fresh lime juice
  • 1 tablespoon Lime zest
  • 2 tablespoons Milk

Instructions

  • Preheat oven to 350°F (175°C). Grease and flour two 9-inch cake pans.
  • In a bowl, whisk together flour, baking powder, and salt.
  • In another large bowl, cream butter and sugar until fluffy and pale.
  • Beat in eggs one at a time. Stir in lime zest and lime juice.
  • Alternately add the flour mixture and milk, beginning and ending with the flour mixture. Mix until just combined.
  • Divide batter evenly between the pans. Bake 25–30 minutes, or until a toothpick inserted in the center comes out clean.
  • Cool cakes completely on wire racks.
  • To make the frosting: Beat butter until creamy. Gradually add powdered sugar, lime juice, lime zest, and milk. Beat until smooth.
  • Frost cooled cakes and garnish with extra lime zest if desired. Chill slightly before serving.

Notes

For extra zing, increase lime juice in the frosting. Store leftovers in the fridge for up to 5 days or freeze the cake (unfrosted or frosted) for up to 1 month.

Nutrition

Calories: 480kcal | Fat: 24g