This Key Lime Pound Cake is a delightful treat with a perfect balance of tartness and sweetness. The cake is moist and dense, infused with the zesty flavor of key limes, and topped with a luscious key lime cream cheese icing. It’s an ideal dessert for any occasion, offering a refreshing twist on the classic pound cake.
Ingredients for the Cake:
- 1 cup unsalted butter, softened
 - 2 cups granulated sugar
 - 4 large eggs
 - 3 cups all-purpose flour
 - 1/2 teaspoon baking powder
 - 1/2 teaspoon baking soda
 - 1/2 teaspoon salt
 - 1 cup buttermilk
 - 1/4 cup key lime juice
 - Zest of 2 key limes
 - 1 teaspoon vanilla extract
 
Ingredients for the Icing:
- 8 ounces cream cheese, softened
 - 1/4 cup unsalted butter, softened
 - 4 cups powdered sugar
 - 2 tablespoons key lime juice
 - Zest of 1 key lime
 
Instructions:
- Preheat and Prepare Pan:
 
- Preheat your oven to 325°F (165°C). Grease and flour a 10-inch bundt pan.
 
- Cream Butter and Sugar:
 
- In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
 
- Add Eggs:
 
- Add the eggs one at a time, beating well after each addition.
 
- Combine Dry Ingredients:
 
- In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
 
- Alternate Adding Dry Ingredients and Buttermilk:
 
- Gradually add the dry ingredients to the butter mixture, alternating with the buttermilk. Begin and end with the dry ingredients.
 
- Add Key Lime and Vanilla:
 
- Stir in the key lime juice, key lime zest, and vanilla extract, mixing until just combined.
 
- Pour Batter and Bake:
 
- Pour the batter into the prepared bundt pan and smooth the top with a spatula.
 - Bake for approximately 60-70 minutes, or until a toothpick inserted into the center of the cake comes out clean.
 
- Cool the Cake:
 
- Remove the cake from the oven and let it cool in the pan for 15 minutes. Then, transfer it to a wire rack to cool completely.
 
- Prepare the Icing:
 
- While the cake is cooling, prepare the key lime cream cheese icing. In a mixing bowl, beat the softened cream cheese and butter until smooth.
 - Gradually add the powdered sugar, one cup at a time, mixing well after each addition.
 - Stir in the key lime juice and zest, and continue to mix until the icing is smooth and creamy.
 
- Ice the Cake:
- Once the cake has cooled, drizzle the key lime cream cheese icing over the top of the cake.
 
 
Helpful Tips:
- Room Temperature Ingredients: Ensure that the butter, eggs, and cream cheese are at room temperature for a smoother batter and icing.
 - Zesting: When zesting the key limes, avoid the white pith, which can be bitter.
 - Storage: Store the cake in an airtight container in the refrigerator for up to 5 days.
 
Serving Suggestions:
- Fresh Fruit: Serve with fresh berries or a dollop of whipped cream.
 - Tea or Coffee: This cake pairs wonderfully with a hot cup of tea or coffee.
 - Special Occasions: Perfect for birthdays, holidays, or any celebration where a refreshing and delightful dessert is needed.
 
FAQs:
- Can I use regular limes instead of key limes?
 
- Yes, you can use regular limes if key limes are not available, but the flavor will be slightly different.
 
- How do I make buttermilk if I don’t have any?
 
- Mix 1 cup of milk with 1 tablespoon of lemon juice or vinegar, let it sit for 5 minutes, and then use it as a buttermilk substitute.
 
- Can I freeze the cake?
 
- Yes, you can freeze the cake (without the icing) wrapped tightly in plastic wrap and foil for up to 3 months. Thaw in the refrigerator overnight and then ice before serving.
 
Nutritional Information:
- Calories: 450 kcal per slice (based on 12 slices)
 - Protein: 5g
 - Carbohydrates: 70g
 - Fat: 18g
 - Fiber: 1g
 - Sugar: 50g
 
Prep Time:
- Preparation Time: 20 min[utes
 - Cooling Time: 1 hour
 - Total Time: 1 hour 40 minutes
 
Servings:
- Makes 12 servings
 
Enjoy this delightful Key Lime Pound Cake with Key Lime Cream Cheese Icing. Its refreshing and zesty flavor is sure to be a hit!
Recipe Card

Key Lime Pound Cake with Key Lime Cream Cheese Icing
This Key Lime Pound Cake is a delightful treat with a perfect balance of tartness and sweetness. The cake is moist and dense, infused with the zesty flavor of key limes, and topped with a luscious key lime cream cheese icing. It’s an ideal dessert for any occasion, offering a refreshing twist on the classic pound cake.
Ingredients
- – 1 cup unsalted butter softened
 - – 2 cups granulated sugar
 - – 4 large eggs
 - – 3 cups all-purpose flour
 - – 1/2 teaspoon baking powder
 - – 1/2 teaspoon baking soda
 - – 1/2 teaspoon salt
 - – 1 cup buttermilk
 - – 1/4 cup key lime juice
 - – Zest of 2 key limes
 - – 1 teaspoon vanilla extract
 - **Ingredients for the Icing:**
 - – 8 ounces cream cheese softened
 - – 1/4 cup unsalted butter softened
 - – 4 cups powdered sugar
 - – 2 tablespoons key lime juice
 - – Zest of 1 key lime
 
Instructions
Preheat and Prepare Pan:
- – Preheat your oven to 325°F (165°C). Grease and flour a 10-inch bundt pan.
 
Cream Butter and Sugar:
- – In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
 
Add Eggs:
- – Add the eggs one at a time, beating well after each addition.
 
Combine Dry Ingredients:
- – In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
 
Alternate Adding Dry Ingredients and Buttermilk:
- – Gradually add the dry ingredients to the butter mixture, alternating with the buttermilk. Begin and end with the dry ingredients.
 
Add Key Lime and Vanilla:
- – Stir in the key lime juice, key lime zest, and vanilla extract, mixing until just combined.
 
Pour Batter and Bake:
- – Pour the batter into the prepared bundt pan and smooth the top with a spatula.
 - – Bake for approximately 60-70 minutes, or until a toothpick inserted into the center of the cake comes out clean.
 
Cool the Cake:
- – Remove the cake from the oven and let it cool in the pan for 15 minutes. Then, transfer it to a wire rack to cool completely.
 
Prepare the Icing:
- – While the cake is cooling, prepare the key lime cream cheese icing. In a mixing bowl, beat the softened cream cheese and butter until smooth.
 - – Gradually add the powdered sugar, one cup at a time, mixing well after each addition.
 - – Stir in the key lime juice and zest, and continue to mix until the icing is smooth and creamy.
 
Ice the Cake:
- – Once the cake has cooled, drizzle the key lime cream cheese icing over the top of the cake.