This light and fluffy Key Lime Angel Food Cake is a perfect treat for sunny days! With a zesty lime flavor, it’s both refreshing and sweet. The cake is airy, making it feel like a cloud with every bite!
I love to top it with some whipped cream and extra lime zest. It’s easy to make and always a hit, even at parties. You can enjoy it anytime, and it’s sure to make you smile! 🍰💚
Key Ingredients & Substitutions
Angel Food Cake Mix: This is the base for our cake. If you’re feeling adventurous, you could make your angel food cake from scratch using egg whites and flour, but the mix simplifies it.
Key Lime Juice: Freshly squeezed juice makes a big difference in flavor! If you can’t find key limes, regular limes work well, though they’re a bit less sweet.
Coconut: Sweetened shredded coconut gives the cake a delightful texture. Unsweetened coconut can be used for a less sugary flavor, but you might want to adjust the sweetness of the whipped cream.
Heavy Whipping Cream: This creates a luxurious topping. If you’re looking for a lower-fat option, you can use whipped topping or a lighter cream, but the texture will change slightly.
How Do You Get the Perfect Height on Your Angel Food Cake?
The secret to a tall, fluffy angel food cake lies in the mixing technique and cooling process. When you mix the batter, be gentle! Don’t deflate the air you’ve incorporated.
- Use a spatula to fold in the liquids slowly, ensuring you don’t overmix.
- Once baked, invert the pan immediately to cool. This keeps the cake from collapsing.
- Wait until it’s completely cool before removing it from the pan!
With these tips, you’ll have a beautiful and delicious Key Lime Angel Food Cake that’s sure to impress! Enjoy baking!

Best Key Lime Angel Food Cake
Ingredients You’ll Need:
For the Cake:
- 1 box (approx. 1/2 pound) Angel Food Cake mix (about 1 cup)
- 1 cup water
- 1 teaspoon vanilla extract
- 1/2 cup freshly squeezed key lime juice
- Zest of 2 key limes (plus extra for garnish)
For Coating:
- 1 cup shredded sweetened coconut
For the Topping:
- 1 cup heavy whipping cream
- 2 tablespoons powdered sugar
- Additional key lime slices for garnish
How Much Time Will You Need?
This delightful cake takes about 15 minutes to prep and 35-40 minutes to bake, plus cooling time. So plan for a total of about 1.5 to 2 hours from start to finish, including chilling in the fridge if you’d like to serve it cold!
Step-by-Step Instructions:
1. Preheat and Prepare:
Start by preheating your oven to 350°F (175°C). Lightly grease an angel food cake pan or tube pan with non-stick spray to prevent sticking.
2. Mix the Batter:
In a large mixing bowl, prepare the angel food cake batter according to the package instructions, combining the cake mix, water, and vanilla extract.
3. Add Flavors:
Gently fold in the freshly squeezed key lime juice and lime zest into the batter. Be careful to maintain the airy texture; we don’t want to deflate it!
4. Bake the Cake:
Pour the batter into the prepared pan and smooth out the top. Bake in the preheated oven for about 35-40 minutes, or until the cake is golden brown and springs back lightly when touched.
5. Cool the Cake:
Once the cake is baked, remove it from the oven and immediately invert the pan to cool completely. This helps the cake maintain its height and fluffiness.
6. Remove from the Pan:
Once it is completely cooled, carefully remove the cake from the pan. Don’t rush this part!
7. Coat with Coconut:
Spread the shredded sweetened coconut in a shallow bowl. Lightly brush or spray the exterior of the cake with a bit of water or simple syrup to help the coconut stick.
8. Give it a Finish:
Gently press the shredded coconut all around the outside of the cake until it’s evenly coated. This gives a beautiful textured look!
9. Whip the Cream:
In a chilled mixing bowl, whip the heavy cream with the powdered sugar until you achieve stiff peaks. This cream will add a delightful richness.
10. Decorate:
Pipe or dollop the whipped cream on top of the cake in decorative mounds. Be creative!
11. Garnish:
Garnish each whipped cream mound with a thin slice of key lime and sprinkle with extra lime zest for that extra zing!
12. Serve and Enjoy:
You can serve immediately or refrigerate until you’re ready to enjoy. This cake is best served chilled on a warm day! Each bite will be light, fluffy, and bursting with that refreshing key lime flavor.
Enjoy your delicious Key Lime Angel Food Cake!
Can I Use a Different Type of Cake Mix?
While the recipe is specifically designed for angel food cake mix, you can experiment with other cake mixes, like vanilla or lemon, for a different flavor profile. Just keep in mind that the texture may change!
How Should I Store Leftover Cake?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. If you want to enjoy it longer, you can freeze slices wrapped tightly in plastic wrap and aluminum foil for up to 2 months. Just thaw in the fridge overnight before serving!
Can I Make This Cake Gluten-Free?
Yes! Look for a gluten-free angel food cake mix to ensure a gluten-free version. Just check the ingredients to confirm that it meets your dietary needs.
How Can I Adjust the Sweetness?
If you prefer a less sweet cake, reduce the powdered sugar in the whipped cream or use unsweetened coconut for the coating. You can also add a bit of zest to the whipped cream for an extra flavor boost!
