Key Lime Cake
If you’re looking for a dessert that combines tartness with sweetness, look no further than key lime cake. This delightful treat is a tropical-inspired dessert that offers a refreshing burst of flavor, making it an excellent choice for any gathering. With its creamy frosting and zesty lime undertones, this cake is sure to impress your guests and leave them craving more. Let’s dive into this easy-to-follow recipe that will elevate your baking skills!
Ingredients
– 1 ½ cups all-purpose flour
– 1 cup granulated sugar
– ½ cup unsalted butter, softened
– 3 large eggs
– ½ cup key lime juice (freshly squeezed)
– 1 tsp lime zest
– 1 tsp baking powder
– ½ tsp baking soda
– ¼ tsp salt
– For frosting: 1 cup heavy cream, ½ cup powdered sugar, 1 tsp vanilla extract

Servings and Cooking Time
This recipe yields 8 servings. Preparation time is approximately 20 minutes, and cooking time is around 25-30 minutes.
Nutritional Value
Each serving (1 slice) contains approximately 320 calories, 18g fat, 40g carbohydrates, 2g protein, and 5g sugar. This nutritional breakdown is for one person.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan.
- In a large mixing bowl, cream the softened butter and sugar until light and fluffy.
- Add the eggs one at a time, mixing well after each addition.
- Stir in the key lime juice and lime zest until well combined.
- In another bowl, mix the flour, baking powder, baking soda, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Pour the batter into the prepared cake pan and smooth the top.
- Bake for 25-30 minutes or until a toothpick inserted comes out clean.
- Let the cake cool in the pan for 10 minutes before transferring it to a wire rack.
- While cooling, whip the heavy cream with powdered sugar and vanilla until soft peaks form.
- Once the cake is cool, frost it with the whipped cream mixture and garnish with lime slices.

Alternative Ingredients
You can substitute the all-purpose flour with gluten-free flour for a gluten-free option. Additionally, if key limes are unavailable, regular limes can be used, though the flavor will be slightly different.
Serving and Pairings
This key lime cake pairs wonderfully with fresh berries, whipped cream, or a scoop of vanilla ice cream. It’s perfect for summer gatherings or paired with a glass of iced tea.
Storage and Reheating
Store any leftover key lime cake in an airtight container in the refrigerator for up to 3 days. It can also be frozen for up to a month. Allow it to thaw in the refrigerator before serving.
Cooking Mistakes
- Don’t overmix the batter; this can lead to a dense cake.
- Ensure your ingredients are at room temperature for better mixing.
- Always measure key lime juice accurately to maintain the right tartness.
- Let the cake cool completely before frosting to avoid melting.
- Be careful not to overbake; check for doneness a few minutes early.
Helpful Tips
- Use fresh key limes for the best flavor.
- Chill your mixing bowl for the whipped cream for better results.
- Garnish with lime zest for an extra pop of color.
- Serve chilled for a refreshing treat on hot days.

FAQs
Can I make this cake ahead of time?
Yes, you can bake the cake a day in advance and frost it just before serving for optimal freshness.
Is key lime juice the same as regular lime juice?
Key lime juice is more tart and has a distinct flavor compared to regular lime juice, offering a unique taste to the cake.
Can I use a different type of frosting?
Absolutely! Cream cheese frosting or a simple buttercream can also work well with key lime cake.
What’s the best way to zest a lime?
Use a microplane or a zester to carefully remove just the green outer layer of the lime peel, avoiding the bitter white pith.
Can I make this cake in a different size pan?
Yes, you can use a 9×13 inch pan; just adjust the baking time as needed to ensure it’s fully cooked.
Conclusion
Key lime cake is a delightful dessert that brings a taste of the tropics to your table. With its creamy texture and zesty flavor, it’s sure to be a hit at any gathering. Whether you’re celebrating a special occasion or simply treating yourself, this cake is both easy to make and incredibly satisfying. Enjoy every slice of this refreshing treat!

Key Lime Cake
Ingredients
- 1 ½ cups all-purpose flour
- 1 cup granulated sugar
- ½ cup unsalted butter softened
- 3 large eggs
- ½ cup key lime juice
- 1 tsp lime zest
- 1 tsp baking powder
- ½ tsp baking soda
- ¼ tsp salt
- For frosting: 1 cup heavy cream ½ cup powdered sugar, 1 tsp vanilla extract
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan.
- In a large mixing bowl, cream the softened butter and sugar until light and fluffy.
- Add the eggs one at a time, mixing well after each addition.
- Stir in the key lime juice and lime zest until well combined.
- In another bowl, mix the flour, baking powder, baking soda, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Pour the batter into the prepared cake pan and smooth the top.
- Bake for 25-30 minutes or until a toothpick inserted comes out clean.
- Let the cake cool in the pan for 10 minutes before transferring it to a wire rack.
- While cooling, whip the heavy cream with powdered sugar and vanilla until soft peaks form.
- Once the cake is cool, frost it with the whipped cream mixture and garnish with lime slices.