There’s something undeniably uplifting about citrus desserts, especially when spring sunlight filters through the kitchen window or when you’re craving a bright finish after a hearty meal. This Key Lime Pound Cake with Key Lime Glaze captures that feeling perfectly. Moist, tender, and infused with vibrant citrus flavor, it’s the kind of dessert that turns an ordinary afternoon into something memorable.

Inspired by the sunny groves of the Florida Keys, this cake celebrates the bold, aromatic charm of key limes. Traditionally smaller and more fragrant than standard limes, key limes offer a distinct tang that elevates baked goods beautifully. Whether served at a weekend gathering, holiday brunch, or simply as a treat with tea, this cake brings brightness and comfort to every slice.

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Why You’ll Love This Key Lime Pound Cake

This isn’t just another citrus cake. It’s a rich, buttery pound cake balanced by the refreshing zing of real key lime juice and zest. Here’s what makes it stand out:

• Dense yet tender crumb
• Bold citrus flavor in every bite
• Sweet-tart glaze that enhances moisture
• Simple ingredients with bakery-quality results
• Perfect for celebrations or everyday indulgence

The glaze seeps into the warm cake, forming a lightly crisp exterior while keeping the inside exceptionally moist. The result is a dessert that feels classic yet exciting.

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What Makes Key Limes Special?

Key limes are smaller, rounder, and more aromatic than standard Persian limes. Their juice carries a sharper tang and slightly floral aroma. When baked into a rich pound cake, that acidity balances the sweetness and enhances the buttery texture.

If key limes are unavailable, regular limes can be substituted, but the flavor will be slightly less intense. For the most authentic taste, freshly squeezed key lime juice is highly recommended.

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Ingredients You’ll Need

This recipe uses pantry staples along with fresh citrus. Every measurement is carefully balanced for a moist, flavorful cake.

For the Key Lime Pound Cake

• 1 cup (226 g) unsalted butter, softened
• 2 cups (400 g) granulated sugar
• 4 large eggs, room temperature
• 2 3/4 cups (345 g) all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup (240 ml) sour cream, room temperature
• 1/4 cup (60 ml) fresh key lime juice
• 2 tablespoons key lime zest (about 6–8 key limes)
• 1 teaspoon pure vanilla extract

For the Key Lime Glaze

• 1 1/2 cups (180 g) powdered sugar
• 3–4 tablespoons (45–60 ml) fresh key lime juice
• 1 teaspoon key lime zest (optional, for garnish)

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Step-by-Step Instructions

1. Prepare the Pan and Oven

Preheat your oven to 325°F (163°C). Grease and flour a 10-inch (25 cm) Bundt pan thoroughly, ensuring all grooves are coated to prevent sticking.

2. Cream the Butter and Sugar

In a large mixing bowl, beat 1 cup (226 g) softened butter with 2 cups (400 g) granulated sugar for 3–5 minutes until light and fluffy. Proper creaming creates the cake’s tender structure.

3. Add Eggs

Add 4 large eggs one at a time, mixing well after each addition. Scrape down the sides of the bowl to ensure even incorporation.

4. Combine Dry Ingredients

In a separate bowl, whisk together:

• 2 3/4 cups (345 g) all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt

5. Mix Wet Ingredients

In another bowl, stir together:

• 1 cup (240 ml) sour cream
• 1/4 cup (60 ml) key lime juice
• 2 tablespoons key lime zest
• 1 teaspoon vanilla extract

6. Alternate Dry and Wet Mixtures

Add the flour mixture to the butter mixture in three additions, alternating with the sour cream mixture. Begin and end with flour. Mix just until combined to avoid overworking the batter.

7. Bake

Pour the batter evenly into the prepared Bundt pan. Bake for 60–70 minutes, or until a toothpick inserted into the center comes out clean.

8. Cool

Allow the cake to cool in the pan for 15 minutes, then carefully invert onto a wire rack. Let cool completely before glazing.

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Making the Key Lime Glaze

In a bowl, whisk together:

• 1 1/2 cups (180 g) powdered sugar
• 3–4 tablespoons (45–60 ml) fresh key lime juice

Adjust the juice quantity to achieve a pourable but thick consistency.

Drizzle generously over the cooled cake. The glaze will set slightly while remaining soft and glossy. Sprinkle extra zest on top for visual appeal and added flavor.

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Tips for the Perfect Pound Cake

• Use room temperature ingredients for smoother blending.
• Measure flour accurately by spooning into the cup and leveling off.
• Avoid overmixing once flour is added.
• Let the cake cool properly before glazing to prevent runoff.
• Store covered to maintain moisture.

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Serving Suggestions

This cake shines on its own, but you can elevate it further by:

• Serving with lightly sweetened whipped cream
• Pairing with fresh berries
• Adding a scoop of vanilla ice cream
• Presenting at spring brunches or summer gatherings

Its vibrant flavor makes it especially refreshing after rich meals.

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Storage and Make-Ahead Tips

• Store at room temperature in an airtight container for up to 3 days.
• Refrigerate for up to 5 days; bring to room temperature before serving.
• Freeze unglazed cake wrapped tightly for up to 3 months.
• Glaze after thawing for best texture.

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Frequently Asked Questions

1. Can I use regular limes instead of key limes?

Yes, you can substitute regular Persian limes if key limes are not available. Use the same measurement of juice and zest: 1/4 cup (60 ml) juice and 2 tablespoons zest. Keep in mind that regular limes are less aromatic and slightly less tart, so the flavor profile may be a bit milder. If using regular limes, consider adding a small extra pinch of zest to enhance the citrus aroma. Fresh juice is always recommended over bottled for the brightest flavor.

2. Why is my pound cake dense or dry?

Pound cake should be dense yet moist. If it turns out dry, it may have been overbaked or overmixed. Baking at 325°F (163°C) ensures even cooking without excessive browning. Overmixing after adding flour develops too much gluten, leading to a tougher crumb. Also, ensure accurate measurement of flour—too much flour can dry out the cake. The sour cream in this recipe adds essential moisture, so don’t substitute it without adjusting for fat content.

3. How do I prevent the cake from sticking to the Bundt pan?

Proper pan preparation is crucial. Thoroughly grease every curve and crevice of the pan using butter or nonstick spray, then dust with flour. Tap out excess flour before adding batter. Allow the cake to cool for about 15 minutes before inverting; removing it too early or too late can cause sticking. If needed, gently loosen edges with a thin spatula before turning out.

4. Can I make this cake ahead for a special event?

Absolutely. This cake actually tastes even better the next day as the flavors deepen. Bake it one day ahead and store covered at room temperature. You can glaze it the day of serving for the freshest presentation. If preparing several days in advance, freeze the unglazed cake and thaw overnight at room temperature before adding glaze. The texture remains moist and tender when properly wrapped.

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Final Thoughts

Key Lime Pound Cake with Key Lime Glaze is more than just a dessert—it’s an experience of brightness, balance, and comfort. The rich buttery base combined with vibrant citrus creates a harmony that feels both nostalgic and refreshing. Each slice delivers a tender crumb, fragrant zest, and a sweet-tart glaze that lingers pleasantly on the palate.

What makes this cake truly special is its versatility. It fits seamlessly into spring brunches, summer gatherings, holiday celebrations, or even quiet afternoons when you crave something homemade. Its elegant Bundt shape makes it visually stunning, yet the preparation is straightforward enough for bakers of all skill levels.

The sour cream ensures a soft texture, while the glaze enhances moisture and amplifies the citrus flavor. Unlike overly sweet desserts, this cake achieves balance. The tang from the key limes prevents it from feeling heavy, making it surprisingly refreshing.

Baking this cake also connects you to a long tradition of citrus desserts celebrated for generations. The aroma of zest filling your kitchen alone makes the process worthwhile. Sharing it with family or friends transforms it into a centerpiece of conversation and enjoyment.

If you’re looking for a dessert that is impressive yet approachable, vibrant yet comforting, this Key Lime Pound Cake deserves a permanent place in your baking rotation. Once you try it, it may become your signature citrus dessert.

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