Zesty Key Lime Cake

Name: Zesty Key Lime Cake
Prep time: 25 min
Cook time: 20 min
Total time: 45 min
Yield: 4
Cuisine: American
Ingredients: 2 ½ cups all-purpose flour; 2 ½ tsp baking powder; ½ tsp salt; 1 cup unsalted butter, softened; 2 cups granulated sugar; 4 large eggs; 1 tbsp key lime zest; ½ cup fresh key lime juice; 1 cup buttermilk; 1 tsp vanilla extract; 8 oz cream cheese, softened; ½ cup unsalted butter, softened; 4 cups powdered sugar; 2 tbsp key lime juice; 1 tsp key lime zest

Rated 5.0 stars by 1 users

Cuisine

American

Servings

Prep Time

25 minutes

Cook Time

20 minutes

Calories

410

A Key Lime Cake is the perfect balance of sweet and tart, making it a refreshing and indulgent dessert.

This cake takes inspiration from the classic key lime pie, transforming its zesty citrus notes into a soft and fluffy cake.

With each bite, you’ll experience a burst of tangy lime flavor complemented by a rich and smooth cream cheese frosting.

Whether served at a summer gathering, birthday celebration, or just because you love citrus desserts, this cake is guaranteed to impress.

Key lime zest and juice infuse this cake with an unmistakable fresh flavor, while buttermilk ensures a moist, tender crumb. The cream cheese frosting adds a luscious contrast to the vibrant cake, balancing its citrusy punch with a hint of sweetness.

Garnish it with extra lime zest, whipped cream, or even graham cracker crumbs for a fun twist. If you’re a fan of bright, refreshing flavors, this Key Lime Cake is a must-try!

Ingredients

2 ½ cups all-purpose flour
2 ½ tsp baking powder
½ tsp salt
1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
1 tbsp key lime zest
½ cup fresh key lime juice
1 cup buttermilk
1 tsp vanilla extract

FOR THE FROSTING

8 oz cream cheese, softened
½ cup unsalted butter, softened
4 cups powdered sugar
2 tbsp key lime juice
1 tsp key lime zest

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Directions

Preheat oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
In a bowl, whisk together flour, baking powder, and salt. Set aside.
In a large bowl, cream butter and sugar until light and fluffy.
Add eggs one at a time, beating well after each addition. Stir in key lime zest, juice, and vanilla extract.
Gradually add flour mixture alternately with buttermilk, beginning and ending with flour.
Divide batter evenly between the prepared cake pans.
Bake for 25–30 minutes or until a toothpick inserted in the center comes out clean.
Let cakes cool in pans for 10 minutes, then transfer to a wire rack to cool completely.
For the frosting, beat cream cheese and butter until smooth. Gradually add powdered sugar, then mix in key lime juice and zest.
Frost the cooled cake layers and garnish with additional zest if desired.

Nutrition

Serving Size: 1 Slice
per serving: Calories; 410

Amount/Serving % Daily Value

Fat: 18 grams; 23%
Saturated Fat: 10 grams; 50%
Cholesterol: 85 milligrams; 28%
Sodium: 220 milligrams; 10%
Carbs: 58 grams; 21%
Protein: 5 grams
Sugar: 42 grams
Fiber: 1 grams; 4%

10 Tips for Baking Key Lime Cake

Use fresh key limes for the best flavor—bottled juice won’t have the same brightness.
Zest the limes before juicing them for maximum efficiency.
Make sure all ingredients are at room temperature before mixing for a smooth batter.
Buttermilk adds moisture and tenderness, so don’t skip it.
Avoid overmixing the batter to keep the cake light and fluffy.
Use parchment paper in the cake pans to prevent sticking.
Let cakes cool completely before frosting to avoid melting.
Chill the frosting slightly before spreading for an easier application.
For extra citrus flavor, brush the cake layers with lime syrup before frosting.
Store leftovers in an airtight container in the fridge for up to 5 days.

Serving Suggestions

Serve with whipped cream and fresh lime slices.
Pair with vanilla or coconut ice cream for an extra treat.
Garnish with crushed graham crackers for a key lime pie-inspired finish.
Drizzle with white chocolate for a decadent twist.
Enjoy with a cup of hot tea or an iced citrus drink.

FAQ's

Q: Can I use regular limes instead of key limes?
A: Yes, but the flavor will be slightly different as key limes are more aromatic and tangy.

Q: Can I make this Zesty Key Lime Cake ahead of time?
A: Absolutely! You can bake the cake layers a day in advance and frost them before serving.

Q: How do I store Zesty Key Lime Cake?
A: Keep it in an airtight container in the refrigerator for up to 5 days. Let it sit at room temperature before serving.

Q: Can I freeze Zesty Key Lime Cake?
A: Yes, wrap unfrosted cake layers in plastic wrap and freeze for up to 3 months. Thaw and frost when ready.

Q: Can I use a different frosting?
A: Yes! Try a whipped cream frosting or a white chocolate glaze for a different take.

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