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The rich tartness of key lime pie in a soft, buttery key lime cake from scratch! Topped with a luscious key lime icing with condensed milk.
Servings: 10 slices
Calories: 439kcal
Equipment you may need
Ingredients
- 2 cup all-purpose flour - (256g)
- 1½ teaspoon baking powder
- ½ cup salted butter - softened to room temperature (1 stick)
- ¾ cup granulated sugar
- 2 tablespoon key lime zest
- ¾ cup sweetened condensed milk
- 2 tablespoon key lime juice
- 4 eggs - room temperature
Key Lime Glaze
- 2 cups powdered sugar - (250g)
- 2 tablespoon sweetened condensed milk
- 2 tsp key lime zest
- 2 tablespoon key lime juice - plus extra if needed
Instructions
- Preheat oven to 350°F. Grease and flour a 9x5-inch loaf pan. Optional: line the pan with parchment paper extending over the sides of the pan to allow for easy removal.
- In a bowl, whisk together flour and baking powder.
- In the bowl of a stand mixer or in a large bowl using a hand mixer, cream butter and sugar on medium speed for 5 minutes until light in color and fluffy.
- Add the eggs one at a time, mixing fully before adding the next.
- Add lime zest and mix to incorporate.
- In a small bowl, mix condensed milk and lime juice together. Add to mixer bowl and beat until smooth.
- Gently fold in dry ingredients using a rubber spatula until just barely combined.
- Pour batter into prepared pan until it is just ¾-inch from the top. Drop the pan once from 2 inches above the countertop to eliminate air pockets.
- Bake for 55-65 minutes, or until a toothpick inserted into the center of the loaf comes out clean. Cool in pan for 10 minutes and then transfer to a wire rack to cool completely.
- For icing, whisk together all the glaze ingredients until smooth. Add more lime juice if needed for thinner consistency. Pour over cooled cake.
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Notes
Glaze: Because of the sweetened condensed milk in the glaze, it does not set completely. I find that the condensed milk gives it that distinctive key lime pie flavor, but if you prefer a glaze that sets, you can omit the condensed milk in the glaze and adjust your lime juice accordingly.
Nutrition
Serving: 1 slice | Calories: 439 kcal | Carbohydrates: 75 g | Protein: 7 g | Fat: 14 g | Saturated Fat: 8 g | Cholesterol: 99 mg | Sodium: 126 mg | Potassium: 253 mg | Fiber: 1 g | Sugar: 54 g | Calcium: 130 mg | Iron: 2 mg
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