Ingredients:
Cake
- 1½ cups unsalted butter, softened
- 2½ cups granulated sugar
- 5 large eggs, room temperature
- 3 cups all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon salt
- 2 tablespoons fresh key lime juice
- 1 teaspoon key lime zest
- ½ teaspoon vanilla extract
Key Lime Glaze (Optional)
- 1½ cups powdered sugar
- 2–3 tablespoons fresh key lime juice
Optional Garnish
- Extra key lime zest
- Thin key lime slices
Instructions:
- Preheat oven to 325°F (165°C). Grease and flour a Bundt or tube pan.
- In a medium bowl, whisk together flour, baking powder, and salt.
- In a large bowl, cream butter and sugar until light and fluffy, about 3–4 minutes.
- Add eggs one at a time, beating well after each addition.
- Mix in key lime juice, zest, and vanilla extract until combined.
- Gradually add the dry ingredients, mixing just until incorporated. Do not overmix.
- Pour batter into prepared pan and smooth the top.
- Bake for 75–85 minutes, or until a toothpick inserted in the center comes out clean.
- Cool cake in pan for 10–15 minutes, then invert onto a wire rack to cool completely.
Key Lime Glaze
- Whisk powdered sugar and key lime juice until smooth.
- Drizzle over cooled cake and allow glaze to set before slicing.
Tips for Best Results
- Use fresh key limes for the best flavor.
- Do not overmix after adding flour to keep the cake tender.
- Let the cake cool completely before glazing.
Storage
Store covered at room temperature for up to 3 days or refrigerate for up to 5 days.