Key Lime Pound Cake Recipe

If you’re craving a dessert that’s both refreshingly tangy and decadently rich, the Key Lime Pound Cake Recipe will quickly become your go-to favorite. Bursting with bright citrus flavor, this cake balances the zesty punch of real key lime juice and zest with the dense, buttery crumb you expect from a classic pound cake. Finished with a luscious key lime glaze, it’s a showstopper for any occasion—from casual afternoon tea to festive celebrations.

Ingredients You’ll Need

This recipe thrives on simple, staple ingredients that come together to create a remarkably moist and flavorful cake. Each component plays a special role, from the creamy butter that builds the cake’s texture to the fresh key lime juice that brings its signature brightness.

• 1 cup unsalted butter, softened: Provides rich moisture and a tender crumb essential for pound cake.
• 2 cups granulated sugar: Sweetens the cake perfectly and helps with browning.
• 4 large eggs: Acts as a binder and adds structure while enriching flavor.
• 3 cups all-purpose flour: The cake’s foundation, offering the right balance of density and softness.
• 1/2 teaspoon baking powder: Gives a slight lift to keep the cake from being too dense.
• 1/4 teaspoon salt: Balances sweetness and enhances all the flavors.
• 1/2 cup sour cream: Adds moisture and a subtle tang that complements the lime beautifully.
• 1/4 cup key lime juice: The star ingredient for authentic, zesty lime flavor.
• 1 tablespoon key lime zest: Provides intense aroma and extra lime punch.
• 1 teaspoon vanilla extract: Adds warmth and depth to balance the citrus.

For the Glaze:

• 1 cup powdered sugar: Creates a delicate, sweet coating that enhances the cake’s flavor.
• 2 tablespoons key lime juice: Keeps the glaze tangy and vibrant.
• 1 teaspoon key lime zest: Adds texture and a burst of fresh lime zestiness.

How to Make Key Lime Pound Cake Recipe

Step 1: Prepare Your Pan and Oven

Start by preheating your oven to 325°F (160°C). Proper oven temperature ensures even baking, so don’t skip this step. Grease and flour a 10-inch bundt or tube pan to make sure your cake releases easily and holds its shape magnificently.

Step 2: Cream Butter and Sugar

Using a large bowl, beat the softened butter and granulated sugar together until the mixture is light and fluffy—about 4 to 5 minutes. This step is key because it incorporates air, which helps give your pound cake a tender crumb despite its dense texture.

Step 3: Add Eggs One at a Time

Next, add your eggs one at a time, beating well after each addition. This slow incorporation keeps the batter smooth and stable, preventing curdling and ensuring a perfect rise.

Step 4: Whisk Dry Ingredients Separately

In a separate bowl, combine the all-purpose flour, baking powder, and salt. Mixing these dry ingredients beforehand guarantees even distribution when added to your batter.

Step 5: Combine Dry Ingredients and Sour Cream

Add the flour mixture to the butter mixture alternately with sour cream, starting and ending with the flour. This alternating method helps maintain the batter’s consistency and keeps your cake moist and tender without being heavy.

Step 6: Stir in the Key Lime and Vanilla

Now, mix in the key lime juice, key lime zest, and vanilla extract. These fresh flavors are what make the Key Lime Pound Cake Recipe truly unforgettable. Stir just until combined to keep your batter light.

Step 7: Bake the Cake

Pour your batter into the prepared pan and smooth the top with a spatula. Place it in your preheated oven and bake for 65-75 minutes, or until a toothpick inserted into the center comes out clean. The gentle baking temperature ensures the cake cooks evenly without drying out.

Step 8: Cool the Cake

Once baked, allow the cake to cool in the pan for 15 minutes. Then invert it onto a wire rack to cool completely. This step prevents sogginess and ensures your cake sets perfectly for glazing.

Step 9: Prepare and Drizzle the Glaze

While the cake cools, whisk together powdered sugar, key lime juice, and zest to make a smooth glaze. Drizzle it generously over the cooled cake, allowing it to sink in slightly for an added layer of citrusy sweetness.

How to Serve Key Lime Pound Cake Recipe

Garnishes

Enhance your cake with fresh garnishes like thin slices of lime, a sprinkle of extra zest, or even edible flowers for a pop of color. A dollop of whipped cream alongside the cake adds a creamy contrast to the tart lime notes.

Side Dishes

Pair this dessert with fresh berries or a small serving of vanilla ice cream to balance the tanginess and round out the dessert experience. A light mint leaf also pairs beautifully, adding a refreshing aroma.

Creative Ways to Present

Try serving slices on elegant dessert plates with a drizzle of honey or a drizzle of passion fruit coulis for an exotic twist. For parties, cut into mini bundt cakes or loaf slices and top with candied lime peel for an impressive presentation.

Make Ahead and Storage

Storing Leftovers

Once fully cooled and glazed, store leftover Key Lime Pound Cake Recipe wrapped tightly in plastic wrap or in an airtight container. It will keep wonderfully at room temperature for 3-4 days, maintaining moistness and fresh citrus flavor.

Freezing

If you want to enjoy this cake later, wrap it well in plastic wrap and then in aluminum foil to avoid freezer burn. You can freeze it for up to one month. When ready to eat, thaw it overnight in the refrigerator for best results.

Reheating

To bring out the fresh flavors and softness again, reheat individual slices in the microwave for 15-20 seconds or wrap the cake in foil and warm in a low oven (about 300°F) for 10 minutes. Just be careful not to overheat and dry it out.

FAQs

Can I substitute regular lime for key lime?

Yes! While key limes have a unique tartness and aroma, regular lime juice and zest can be used in a pinch. The flavor will be a bit different but still delicious.

Is sour cream absolutely necessary?

Sour cream adds moisture and rich tang that complements the lime beautifully. You can substitute Greek yogurt for a slightly different texture and similar acidity if needed.

Can I make this cake gluten-free?

To make the Key Lime Pound Cake Recipe gluten-free, substitute the all-purpose flour with an equal amount of a gluten-free flour blend that includes xanthan gum to preserve texture and structure.

How long should I bake the cake if I use a different pan?

Baking time depends on the pan size and material. If using a different pan, check for doneness starting at 55 minutes and adjust as needed, making sure a toothpick comes out clean.

Can I use bottled key lime juice or do I need fresh?

Fresh key lime juice is best for authentic flavor, but bottled key lime juice can be used if fresh is unavailable. Just be sure it’s 100% juice without added sugars or preservatives.

Final Thoughts

This Key Lime Pound Cake Recipe is a delightful balance of tart citrus and rich, buttery cake that feels like a celebration in every bite. Once you make it, you’ll find it hard to resist sharing it with everyone you know. So go ahead, whip up a batch and enjoy the sunny, flavorful magic of this cake!

Print