Key Lime Coconut Cupcakes Recipe
If you’re in search of a delightful and refreshing dessert, look no further than these Key Lime Coconut Cupcakes! Bursting with the tropical flavors of key lime and coconut, each bite is a harmonious blend of sour, sweet, and creamy textures that will transport you straight to a sunny beach paradise. The light and fluffy cupcakes are topped with a luscious coconut-lime frosting, making these treats perfect for any occasion. Whether you’re hosting a party, celebrating a special event, or simply satisfying your sweet tooth, these cupcakes will undoubtedly charm your taste buds and win the hearts of your guests.
Prep Time, Cook Time, and Servings
- Prep Time: 20 minutes
- Cook Time: 18-20 minutes
- Total Time: 40 minutes
- Servings: 12 cupcakes
Ingredients
For the Cupcakes
- 1 ½ cups all-purpose flour
- 1 cup granulated sugar
- 1 ½ teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- ½ cup unsalted butter, softened
- 2 large eggs
- ½ cup buttermilk
- ¼ cup key lime juice (freshly squeezed)
- Zest of 1 key lime
- ½ cup shredded sweetened coconut
For the Frosting
- 1 cup unsalted butter, softened
- 4 cups powdered sugar
- 2 tablespoons key lime juice (freshly squeezed)
- Zest of 1 key lime
- ½ cup shredded sweetened coconut (for topping)
Instructions
-
Preheat the oven: Start by preheating your oven to 350°F (175°C). Line a standard muffin tin with cupcake liners to prepare for your batter.
-
Mix dry ingredients: In a large mixing bowl, combine the all-purpose flour, granulated sugar, baking powder, baking soda, and salt. Whisk these dry ingredients together until they’re fully blended.
-
Cream the butter: In a separate bowl, cream the softened butter for about 2 minutes until it’s smooth and fluffy. A hand mixer or stand mixer speeds this process up, making it easy to achieve the right texture.
-
Add eggs and wet ingredients: Beat in the large eggs, one at a time, ensuring each is fully incorporated before adding the next. Then, add the buttermilk, key lime juice, and lime zest. Mix until everything is well combined.
-
Combine wet and dry mixtures: Gradually add the dry ingredients to the wet mixture, mixing just until combined. Be careful not to over-mix. Gently fold in the shredded coconut.
-
Fill cupcake liners: Divide the batter evenly among the prepared cupcake liners, filling each about two-thirds full to give them room to rise.
-
Bake: Place the muffin tin in the preheated oven and bake for 18-20 minutes, or until a toothpick inserted into the center of a cupcake comes out clean.
-
Cool: Once baked, remove the cupcakes from the oven and allow them to cool in the tin for 5 minutes. Then transfer them to a wire rack to cool completely.
-
Prepare the frosting: While the cupcakes are cooling, make the frosting. In a large bowl, beat the softened butter until creamy. Gradually add powdered sugar, mixing well between each addition. Stir in the key lime juice and zest until the frosting is light and fluffy.
-
Frost the cupcakes: Once the cupcakes are completely cool, use a piping bag or a knife to frost each one generously with the coconut-lime frosting. Sprinkle shredded coconut on top for decoration.
-
Serve and enjoy: These Key Lime Coconut Cupcakes can be served immediately. Enjoy them at room temperature or chilled for an extra refreshing bite!
Pro Tips for Perfect Results
-
Use fresh ingredients: Fresh key limes will elevate the flavor of your cupcakes. If you cannot find key limes, Persian limes can be used as a substitute, though they will offer a slightly different taste.
-
Check doneness carefully: Every oven can bake differently, so start checking your cupcakes a minute or two before the minimum baking time to prevent overbaking.
-
Room temperature ingredients: Ensure that your butter, eggs, and buttermilk are at room temperature before mixing. This helps create a smoother batter and contributes to the final texture of the cupcakes.
-
Don’t overmix: For fluffy cupcakes, mix until the ingredients are just combined. Overmixing can lead to dense cupcakes.
-
Chill the cupcakes after frosting: If possible, allow the frosted cupcakes to chill in the fridge for about 30 minutes before serving. Chilling helps the frosting set up nicely and intensifies the flavors.
Variations and Substitutions
-
Gluten-free option: Substitute all-purpose flour with a good quality gluten-free baking blend. Ensure other ingredients are gluten-free as needed.
-
Coconut milk substitute: For a dairy-free version, replace buttermilk with coconut milk or almond milk mixed with a tablespoon of vinegar or lemon juice.
-
Sugar-free alternative: Use a sugar substitute like erythritol or stevia in the cupcake batter and frosting for a lower-calorie option.
-
Different flavors: To personalize the flavor profile, consider adding a teaspoon of vanilla extract or almond extract to the batter for an additional layer of depth.
Storage and Reheating Tips
To store leftover Key Lime Coconut Cupcakes, place them in an airtight container at room temperature for up to 3 days. If you want to keep them longer, refrigerate them for up to 1 week. The frosting may soften in the fridge, so allow the cupcakes to come to room temperature before serving.
If you need to reheat them, place your cupcake in the microwave for about 10-15 seconds; this will help restore moisture without drying them out.
{image_2}
FAQs
1. Can I make these cupcakes ahead of time?
Yes, the cupcakes can be made a day in advance. Simply store them in an airtight container without frosting and frost them just before serving for the best flavor and presentation.
2. Can I freeze these cupcakes?
Absolutely! You can freeze unfrosted cupcakes for up to 3 months. Once they are completely cooled, wrap them tightly in plastic wrap and place them in a freezer bag. Thaw them in the refrigerator overnight when ready to enjoy.
3. What if I can’t find key limes?
If key limes aren’t available, you can substitute them with regular limes. While the flavor will be slightly different, it will still be delicious!
4. How do I know when the cupcakes are done?
You can check for doneness by inserting a toothpick into the center of a cupcake. If it comes out clean or with a few moist crumbs, they are finished baking.
5. Can I make these cupcakes without coconut?
You can certainly make the cupcakes without shredded coconut if you’re not a fan or have allergies. Just omit it from the batter and consider adding additional lime zest for extra flavor.
6. What are some pairing suggestions for these cupcakes?
These refreshing cupcakes pair beautifully with tropical fruit salads, key lime pie, or a light whipped cream on the side. Enjoy with a chilled glass of lemonade or iced tea for a perfect summer treat!
Nutrition Estimate
Each Key Lime Coconut Cupcake contains approximately 290 calories, 3g of protein, 41g of carbohydrates, and 14g of fat. This estimate may vary depending on ingredient brands and substitutions. Indulging in these delightful cupcakes offers both a sweet treat and a taste of the tropics without the need to travel. Enjoy every bit of this scrumptious dessert!

Key Lime Coconut Cupcakes
Ingredients
For the Cupcakes
- 1.5 cups all-purpose flour
- 1 cup granulated sugar
- 1.5 teaspoons baking powder
- 0.5 teaspoon baking soda
- 0.5 teaspoon salt
- 0.5 cup unsalted butter, softened
- 2 large eggs
- 0.5 cup buttermilk
- 0.25 cup key lime juice (freshly squeezed)
- 1 each Zest of 1 key lime
- 0.5 cup shredded sweetened coconut
For the Frosting
- 1 cup unsalted butter, softened
- 4 cups powdered sugar
- 2 tablespoons key lime juice (freshly squeezed)
- 1 each Zest of 1 key lime
- 0.5 cup shredded sweetened coconut (for topping)
Instructions
Preparation
- Preheat your oven to 350°F (175°C) and line a standard muffin tin with cupcake liners.
- In a large bowl, combine all-purpose flour, granulated sugar, baking powder, baking soda, and salt. Whisk until blended.
- In another bowl, cream softened butter for about 2 minutes until smooth and fluffy.
- Beat in the eggs one at a time, adding buttermilk, key lime juice, and lime zest. Mix until combined.
- Gradually add the dry ingredients to the wet mixture, mixing just until combined. Fold in shredded coconut.
- Divide the batter evenly among the cupcake liners, filling each two-thirds full.
Baking
- Bake for 18-20 minutes, or until a toothpick inserted in the center comes out clean.
- Allow to cool in the tin for 5 minutes before transferring to a wire rack to cool completely.
Frosting
- In a bowl, beat softened butter until creamy. Gradually add powdered sugar, mixing well. Stir in key lime juice and zest.
- Frost each cupcake generously and sprinkle with shredded coconut.
Serving
- Serve immediately at room temperature or chilled for an extra refreshing bite.