Name: Raspberry Glazed Key Lime Cake Recipe
Prep time: 15 min
Cook time: 50 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: ½ cup butter, softened; 1 cup sugar; 2 eggs; 2-3 teaspoons key lime zest; 1 teaspoon vanilla extract; 2 tablespoons key lime juice; 1 ¾ cups all-purpose flour; ½ teaspoon salt; ¼ teaspoon baking soda; ½ cup sour cream; 1 tablespoon softened butter; ½ cup powdered sugar; 1 tablespoon heavy cream (more if needed); 2 tablespoons finely chopped fresh raspberries

Jump to Recipe· 4.4 from 8 reviews

I absolutely adore this Raspberry Glazed Key Lime Cake Recipe because it brings together two vibrant flavors that brighten up any dessert table. The zesty tang of key lime perfectly balances with the sweet juiciness of fresh raspberries in the glossy glaze, creating an irresistible treat that always impresses my friends and family. Making this cake is a joy — it’s straightforward yet yields a delicate, moist cake with a refreshing fruity finish that’s ideal for any time you want to make an occasion feel special.

Why You’ll Love This Raspberry Glazed Key Lime Cake Recipe

I find the flavor combination here uniquely delightful — the tartness of the key lime zest and juice cuts through the subtle sweetness of the buttery cake, while the raspberry glaze adds a fresh, vibrant layer that makes every bite exciting. The balance of tangy and sweet is something that just lingers on your palate in the best way, making it hard not to go back for seconds. To me, this flavor profile feels both lively and comforting, perfect for warmer months or when I want a refreshing but indulgent dessert.

What truly makes this Raspberry Glazed Key Lime Cake Recipe stand out is how easy it is to prepare without sacrificing any of that delicious depth. I love that so many of the ingredients are pantry staples, and yet the final cake feels special and elegant. It bakes evenly, holds moisture beautifully thanks to the sour cream, and the raspberry glaze comes together quickly for a polished finish. Whenever I serve it at family dinners or gatherings, it sparks compliments and requests for the recipe — which is the best kind of reward!

Ingredients You’ll Need

A loaf cake sits on a flat wooden board, topped with a thick layer of light pink icing that has small red bits mixed in, giving it a slightly textured look. The cake itself is a warm golden brown with a smooth surface. The background is a white marbled texture, soft and bright. Photo taken with an iphone --ar 4:5 --v 7

This recipe only requires a handful of simple, well-chosen ingredients that work together perfectly to create the refined yet approachable tastes and textures I love. Each item has an important role — from the zest that brings brightness to the batter, to the sour cream that ensures the cake stays moist and tender, right through to the fresh raspberries that make the glaze pop with color and flavor.

Butter (½ cup, softened): Provides richness and a tender crumb in the cake.
Sugar (1 cup): Sweetens the cake just right, balancing the tart lime.
Eggs (2): Bind everything together and contribute to the cake’s structure.
Key lime zest (2-3 teaspoons): Packs the punch of citrus aroma and tangy flavor that defines the cake.
Vanilla (1 teaspoon): Enhances the overall flavor depth subtly.
Key lime juice (2 tablespoons): Adds tang and moisture, intensifying the lime essence.
Flour (1 ¾ cup): The base that creates the cake’s body and crumb.
Salt (½ teaspoon): Balances and elevates the sweetness and tartness.
Baking soda (¼ teaspoon): Helps the cake rise just enough for tenderness without puffiness.
Sour cream (½ cup): Keeps the cake moist and adds subtle tanginess.
Butter (1 tablespoon, softened): For the glaze, adds creaminess and sheen.
Powdered sugar (½ cup): Sweetens the glaze smoothly without grittiness.
Heavy cream (1 tablespoon): Creates the perfect glaze consistency.
Fresh raspberries (2 tablespoons, finely chopped): Bursting flavor and a gorgeous splash of color in the glaze.

Directions

Step 1: Preheat your oven to 350 degrees Fahrenheit and prepare a 9 x 5-inch loaf pan by spraying it with non-stick spray. This ensures your cake slides out easily once baked.

Step 2: In the bowl of a stand mixer, cream the softened butter and sugar until you see the mixture become light and fluffy — this usually takes about 3 to 5 minutes. Then, beat in the eggs one at a time until everything is fully incorporated and smooth.

Step 3: Stir in the key lime zest, vanilla extract, and fresh key lime juice. This is where the cake really begins to come alive with its signature brightness.

Step 4: In a separate small bowl, whisk together the flour, salt, and baking soda. Gradually add the dry ingredients to the wet ingredients, mixing just until combined so you don’t overwork the batter. Finally, gently fold in the sour cream to maintain tenderness.

Step 5: Pour the batter evenly into your prepared loaf pan and smooth the top. Bake for about 50 minutes, checking at the 45-minute mark by inserting a toothpick in the center — it should come out clean when the cake is done.

Step 6: Once baked, remove the cake from the oven and let it cool completely on a wire rack. This cooling step is important before applying the glaze to prevent melting.

Step 7: While the cake cools, make the glaze by whisking softened butter, powdered sugar, and heavy cream in a bowl. Add a little more cream if you want a thinner consistency. Stir in the finely chopped fresh raspberries, then spread this luscious glaze evenly over the cooled cake.

Servings and Timing

This Raspberry Glazed Key Lime Cake Recipe yields about 12 servings, making it perfect for sharing at small gatherings or family meals. The prep time is roughly 15 minutes, with a baking time of about 50 minutes. Allow at least 15 minutes for the cake to cool completely before glazing, so the total time from start to finish is around 1 hour and 10 minutes. Resting the cake ensures that your glaze will set beautifully without sliding off.

How to Serve This Raspberry Glazed Key Lime Cake Recipe

A loaf of soft yellow cake is placed on a wooden board with four big slices cut from the front, each slice topped with a thick layer of pink icing with small red specks. The cake has a smooth, shiny surface and the icing gently drips down the sides. Beside the loaf, on a flowing white cloth, there are a few fresh red raspberries scattered. Next to the cloth, there is a small white bowl filled with more pink icing and a black-handled spatula resting inside it. In the background, there is a small wooden basket filled with green limes, all set on a white marbled surface photo taken with an iphone --ar 4:5 --v 7

When I serve this cake, I love presenting it simply to let the vibrant glaze and cake be the stars. A clean slice on a white or pastel plate really lets the raspberry pink and key lime green notes pop visually. For an extra touch, I sometimes add a few fresh raspberries or a thin wedge of key lime alongside each slice — it adds a fresh burst of flavor and looks so inviting.

Pairing is where the fun really begins. I find that a lightly sweetened iced tea or sparkling water with mint complements the tartness marvelously. For an adult gathering, a crisp Riesling or a citrus-forward cocktail like a mojito pairs beautifully to echo the lime flavors. This cake is a fantastic choice for celebrations like birthdays, brunches, or just a sunny afternoon treat when you want something both festive and refreshing.

I suggest serving the cake at room temperature or slightly chilled, depending on your preference. When chilled, the glaze firms up and feels almost like a delicate candy coating, whereas at room temp it’s soft, glossy, and melts in your mouth. Both are delicious ways to enjoy this crowd-pleaser, and portion sizes are perfect for moderate slices that make each bite feel special.

Variations

I love how versatile this Raspberry Glazed Key Lime Cake Recipe is. If you want to switch things up, you can try substituting the sour cream with Greek yogurt for a tangier, lighter texture, or even use a dairy-free alternative to make it vegan-friendly (just swap the butter and eggs with plant-based substitutes). The key lime zest and juice could be swapped for regular lime or even lemon if you want a slightly different citrus twist.

For a gluten-free version, I’ve had great success replacing the flour with a 1:1 gluten-free baking blend. Just make sure not to overmix the batter to keep it tender. If you enjoy extra fruit flair, mixing a handful of fresh raspberries or blueberries into the batter before baking gives the cake beautiful fruity pockets throughout.

Another variation I like is to bake this recipe in a round cake pan or as cupcakes, adjusting the baking time accordingly. The glaze can also be thickened slightly and piped on for a festive look, or topped with whipped cream and fresh raspberries for an extra layer of indulgence. This cake can really shine however you decide to make it yours!

Storage and Reheating

Storing Leftovers

I keep leftover Raspberry Glazed Key Lime Cake stored in an airtight container at room temperature if I plan to eat it within a day or two. If your kitchen is warm, refrigerating it is best — wrapped tightly in plastic wrap or stored in a sealed container to avoid drying out. The cake maintains its moist texture well for up to 3 days refrigerated, and the glaze stays beautifully shiny with minimal fuss.

Freezing

This cake freezes nicely if you want to make it ahead of time. I recommend wrapping the cooled cake tightly in plastic wrap and then in a layer of aluminum foil to protect it from freezer burn. You can freeze the whole cake or individual slices for up to 2 months. When you’re ready to enjoy it, thaw in the refrigerator overnight for best results before bringing it to room temperature.

Reheating

I usually enjoy this cake at room temperature or slightly chilled, so reheating isn’t often necessary. But if you prefer a warmer slice, gently warming it in the microwave for 10 to 15 seconds works well — just be careful not to overheat, or the glaze can melt and become too runny. Avoid using a conventional oven for reheating unless wrapped, as it can dry out the tender cake crumb quickly. A soft warming helps revive that freshly baked feel without compromising flavor.

FAQs

Can I use regular lime instead of key lime in this cake?

Absolutely! While key limes have a distinct tartness and fragrance, regular limes work well too and will still give you that bright citrus flavor. Just use fresh lime zest and juice to keep the cake vibrant.

How do I know when the cake is fully baked?

The best way is to insert a toothpick or cake tester into the cake’s center. If it comes out clean or with a few moist crumbs (but no raw batter), the cake is done. Start checking around 45 minutes to avoid overbaking.

Can I make the cake gluten-free?

Yes! Swap regular flour for a gluten-free all-purpose blend that includes xanthan gum for structure. Be gentle when mixing to keep the crumb tender, and the cake will still turn out wonderfully moist.

Is there a way to veganize this Raspberry Glazed Key Lime Cake Recipe?

You can replace butter with vegan margarine, use flaxseed or chia seed “eggs” instead of chicken eggs, and substitute sour cream with coconut or almond yogurt. The glaze can be made with dairy-free butter and powdered sugar mixed with a little plant-based milk.

Can I prepare this cake in advance?

Definitely! It actually tastes even better the next day once the flavors meld. Bake the cake and glaze it once cooled, then store it covered at room temperature or refrigerated. It’s perfect for making ahead for parties or holidays.

Conclusion

I truly hope you give this Raspberry Glazed Key Lime Cake Recipe a try — it’s become one of my all-time favorites for its bright, balanced flavors and incredible ease of preparation. Whether you’re planning a celebration or just want a lovely treat to brighten your day, this cake will not disappoint. From the zesty cake to the fresh raspberry glaze, it’s a little slice of happiness that always brings smiles to the table.