Why Make This Recipe
Key Lime Pound Cake is a delicious and refreshing treat that combines the classic flavors of pound cake with the bright, zesty taste of key lime. This cake is perfect for any occasion, whether it’s a family gathering, a dessert for a dinner party, or simply a sweet indulgence for yourself. The combination of sweetness and tartness makes it a delightful choice for those who love citrus flavors. Plus, it’s simple to make, allowing even beginner bakers to achieve impressive results.
How to Make Key Lime Pound Cake
Ingredients
- 1 (16.5 oz) box of vanilla pound cake mix
- 3/4 cup cold water
- 1/2 cup unsalted butter, melted
- 1 large egg
- 3 tbsp key lime juice
- 2 tbsp key lime zest
- 3 drops lime gel food coloring (optional)
- 1 1/2 cups powdered sugar
- 6 tbsp key lime zest
- 4 tbsp key lime juice
Directions
- Preheat the oven to 350°F and coat two small loaf pans with non-stick baking spray.
- In a large mixing bowl, combine the cake mix, cold water, melted butter, egg, key lime juice, key lime zest, and gel food coloring (if using).
- Divide the batter evenly between the two loaf pans and gently tap the pans on the countertop to release any air bubbles.
- Place the loaf pans on a large baking sheet and bake for 30-35 minutes, or until a toothpick inserted into the center of the cake comes out clean.
- Remove the cakes from the oven and place them on a wire rack to cool for 10 minutes before flipping them out of the pans.
- For the glaze: In a medium bowl, whisk together the powdered sugar, lime juice, and lime zest until smooth.
- Place the cooled cakes on a wire rack with a baking sheet underneath to catch the glaze drips. Slowly pour the glaze over the cakes, allowing it to set before cutting and serving.
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How to Serve Key Lime Pound Cake
Serve this refreshing cake on its own or with a dollop of whipped cream for an extra treat. It can be enjoyed as dessert after dinner or as a sweet snack during the day. Pair it with a cup of tea or coffee for a delightful afternoon pick-me-up.
How to Store Key Lime Pound Cake
To keep your Key Lime Pound Cake fresh, store it in an airtight container at room temperature for up to three days. If you want to keep it longer, you can refrigerate it for up to a week. You can also freeze the cake; simply wrap it tightly in plastic wrap and then in foil. It will last in the freezer for up to three months.
Tips to Make Key Lime Pound Cake
- Make sure to measure your ingredients accurately for the best results.
- If you want a deeper lime flavor, feel free to add more zest or juice.
- Let the glaze set completely before cutting the cake to avoid a messy presentation.
Variation
You can customize your Key Lime Pound Cake by adding ingredients like crushed graham crackers for a crusty texture, or even folding in coconut for a tropical twist.
FAQs
Q: Can I use regular lime juice instead of key lime juice?
A: Yes, you can use regular lime juice if key lime juice is not available, but the flavor may be slightly different.
Q: Can I make this cake ahead of time?
A: Yes, you can make the cake a day in advance. Just make sure to store it properly to keep it fresh.
Q: How do I know when the cake is done baking?
A: The cake is done when a toothpick inserted into the center comes out clean, and the top is lightly golden.

Key Lime Pound Cake
Ingredients
Method
- Preheat the oven to 350°F and coat two small loaf pans with non-stick baking spray.
- In a large mixing bowl, combine the cake mix, cold water, melted butter, egg, key lime juice, key lime zest, and gel food coloring (if using).
- Divide the batter evenly between the two loaf pans and gently tap the pans on the countertop to release any air bubbles.
- Place the loaf pans on a large baking sheet and bake for 30-35 minutes, or until a toothpick inserted into the center of the cake comes out clean.
- Remove the cakes from the oven and place them on a wire rack to cool for 10 minutes before flipping them out of the pans.
- In a medium bowl, whisk together the powdered sugar, lime juice, and lime zest until smooth.
- Place the cooled cakes on a wire rack with a baking sheet underneath to catch the glaze drips. Slowly pour the glaze over the cakes, allowing it to set before cutting and serving.