Description
Indulge in the vibrant flavors of our Key Lime Cake, a refreshing dessert perfect for any celebration. This delightful three-layer cake features fluffy white layers infused with zesty key lime juice, complemented by a buttery graham cracker crumble and topped with a luscious key lime buttercream frosting. Each bite delivers a perfect balance of sweet and tangy, making it an instant favorite among dessert lovers. Ideal for summer gatherings or simple indulgence at home, this visually stunning cake is sure to impress your guests and brighten your table.
Ingredients
Scale
- 3 cups cake flour
- 1.5 teaspoons baking powder
- 1.5 teaspoons baking soda
- ½ teaspoon salt
- 1 cup (2 sticks) unsalted butter, room temperature
- 1 ¾ cups sugar
- ½ cup sour cream, room temperature
- 2 teaspoons vanilla extract
- ½ cup milk, room temperature
- 2 tablespoons vegetable oil
- 8 tablespoons key lime juice (about 8–10 key limes)
- 5 egg whites, room temperature
- 2 cups graham cracker crumbs
- 2 tablespoons sugar
- ½ cup (1 stick) butter, melted and slightly cooled
- 1.5 cups (3 sticks) unsalted butter, softened
- 1 cup shortening
- ¼ teaspoon salt
- 6–8 cups powdered sugar
- 3 tablespoons key lime juice (about 3–4 key limes)
- ¼ cup sweetened condensed milk
- 1–2 tablespoons hot water
- Green food coloring gel
- 1–2 cups heavy whipping cream, cold
- 1 tablespoon sugar
- Lime slices
Instructions
- Preheat the oven to 350°F (175°C). Grease and line three 8-inch round cake pans.
- In a bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
- Cream together butter and sugar until light and fluffy. Add sour cream, vanilla extract, milk, vegetable oil, and key lime juice; mix until combined.
- Gradually add dry ingredients to the wet mixture until just combined. Fold in egg whites gently.
- Divide batter among prepared pans and bake for about 20 minutes or until a toothpick comes out clean.
- Cool cakes in pans for 10 minutes before transferring to wire racks.
- Prepare graham cracker crumble by mixing crumbs with melted butter and sugar.
- Make key lime buttercream by beating softened butter with shortening, then gradually adding powdered sugar alternating with key lime juice until smooth.
- Assemble by layering cake with frosting and crumble; frost the top and sides of the cake.
- Prep Time: 30 minutes
- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (85g)
- Calories: 350
- Sugar: 24g
- Sodium: 200mg
- Fat: 20g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 37g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 50mg