Description
Indulge in the delightful flavors of a Key Lime Cake that captures the essence of summer with every bite. This layered cake features three fluffy tiers infused with zesty key lime juice, a buttery graham cracker crumble, and a tangy key lime buttercream frosting. Perfect for birthdays, picnics, or any festive gathering, this cake is not only visually impressive but also refreshingly delicious. Easy to make yet stunningly elegant, your guests will be talking about this dessert long after the last slice is gone!
Ingredients
Scale
- 3 cups cake flour
- 1.5 teaspoons baking powder
- 1.5 teaspoons baking soda
- 1/2 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 (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
- 1/4 teaspoon salt
- 6–8 cups powdered sugar
- 3 tablespoons key lime juice (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 for garnish
Instructions
- Preheat oven to 350°F (175°C) and grease three 8-inch round cake pans.
- In a stand mixer, cream together butter and sugar until light and fluffy. Add egg whites one at a time.
- Mix in sour cream, milk, vegetable oil, vanilla extract, and key lime juice.
- In another bowl, whisk together flour, baking powder, baking soda, and salt; gradually combine with the wet mixture.
- Pour batter into prepared pans and bake for about 20 minutes or until a toothpick comes out clean.
- For the graham cracker crumble, mix crumbs and sugar with melted butter until crumbly.
- Prepare the key lime buttercream by beating softened butter and gradually adding powdered sugar along with key lime juice until desired consistency is achieved.
- Assemble layers of cake with graham cracker crumble between them and frost with key lime buttercream.
- Prep Time: 30 minutes
- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 410
- Sugar: 42g
- Sodium: 300mg
- Fat: 22g
- Saturated Fat: 12g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 48g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 75mg