White Cake:

• 2 ½ cups (355 g) all-purpose flour
• 2 cups (424 g) granulated sugar
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ⅛ teaspoon salt
• 1 ⅓ cups buttermilk
• ½ cup (113 g) butter, softened
• 1 teaspoon vanilla extract
• 4 egg whites

Strawberry Syrup/Puree:

• Note: You can substitute 1 1/2 cups of good quality strawberry jam for the homemade puree for convenience.

• 1 pint fresh strawberries, washed and hulled
• 4 tablespoons sugar
• 1 teaspoon lemon juice

Lime Cream:

• 4 limes, for about 1/2 cup fresh lime juice
• 1 (14-ounce) can sweetened condensed milk
• 2 cups heavy whipping cream

Whipped Cream Frosting:

• 2 cups heavy whipping cream, very cold
• ½ cup (57 g) powdered sugar
• 1 teaspoon vanilla extract
• 1 envelope (about 2 teaspoons) unflavored gelatin
• 4 tablespoons cold water

• For the Cake: Preheat your oven to 350 degrees F (175 C). Thoroughly grease and flour two 9-inch round cake pans. For an extra layer of non-stick insurance, consider lining the bottoms with parchment paper circles and greasing the parchment as well.

  In a large mixing bowl, combine the all-purpose flour, granulated sugar, baking powder, baking soda, and salt. Whisk these dry ingredients together to ensure they are well combined. Add the buttermilk, softened butter, and vanilla extract to the dry mixture. Beat with an electric mixer on low speed for about 30 seconds, making sure to scrape down the sides of the bowl with a spatula to incorporate all ingredients. Increase the mixer speed to medium and continue beating for 2 minutes, allowing the batter to become light and fluffy. Finally, add the egg whites and beat for an additional 2 minutes, scraping the bowl down once more to ensure everything is fully combined and smooth.

• Pour the prepared cake batter evenly into your two greased and floured 9-inch round cake pans. Place the pans into the preheated oven and bake for 28-30 minutes. The cakes are done when a toothpick inserted into the center comes out with moist crumbs attached, but not wet batter. Be careful not to overbake, as this can result in dry cakes. Once baked, remove the cakes from the oven and let them cool on a wire rack for 10 minutes in their pans. After 10 minutes, gently loosen the sides of the cakes with a butter knife and invert them onto the wire rack to cool completely. Ensure they are fully cool before proceeding with assembly.

• For the Strawberry Puree: In a blender or food processor, combine the washed and hulled fresh strawberries, sugar, and lemon juice. Process until the mixture is completely smooth. This will create a vibrant, flavorful syrup that will keep your cake exceptionally moist. Set aside.

• For the Lime Cream: Zest and juice the limes into a medium-sized bowl. You should aim for approximately 1/2 cup of fresh lime juice. Add the can of sweetened condensed milk to the lime juice and mix well until thoroughly combined. In a separate, chilled large bowl, pour in the heavy whipping cream. Beat the cream until medium-stiff peaks form. Gently fold the lime-condensed milk mixture into the whipped cream until just combined. Be careful not to overmix. Cover the lime cream with plastic wrap and refrigerate until you are ready to assemble the cake.

• For the Stabilized Whipped Cream Frosting: In a small, microwave-safe bowl, pour the cold water and sprinkle the unflavored gelatin over the top. Let this mixture stand for 3-4 minutes to allow the gelatin to bloom and thicken. Once thickened, microwave the gelatin mixture for 20-30 seconds, or until the gelatin has completely dissolved and the mixture is warm (but not boiling). Remove from the microwave and let it cool to room temperature. It’s crucial that the gelatin mixture is cool but still liquid; do not let it set up.

  In a large, chilled mixing bowl, whip the remaining heavy cream, powdered sugar, and vanilla extract until the cream starts to slightly thicken. While continuing to beat the cream slowly, gradually drizzle in the cooled, dissolved gelatin mixture. Once all the gelatin is incorporated, increase the mixer speed to high and whip until stiff peaks form. This stabilized whipped cream will be robust enough to hold up beautifully on your layered cake.

• To Assemble the Cake: Once your cake layers are completely cool, carefully slice each round horizontally in half using a long serrated knife to create a total of four even cake circles. Place one cake layer on your chosen cake plate or serving stand. Spread an even layer of the prepared strawberry syrup over the top of this first cake layer. Next, spread a generous, thick layer of the lime cream over the strawberry syrup, making sure to leave about a 1/2-inch border around the edge. This border is important because as you add subsequent cake layers, the cream will gently spread outwards.

  Repeat this layering process with the next two cake layers: cake, strawberry syrup, then lime cream. Finally, place the last cake layer on top. Frost the entire cake, including the sides and top, with the stabilized whipped cream frosting. For an extra touch of elegance and flavor, garnish the top with fresh lime slices, lime zest ribbons, and whole or sliced fresh strawberries, if desired. Once assembled, chill the cake in the refrigerator for at least 1-2 hours before serving. This allows the cake and creams to set up beautifully, making for clean slices and optimal flavor integration. Enjoy!

Mastering Multiple Steps: Don’t be overwhelmed by the various components of this recipe. The secret to a stress-free baking experience is to make each component in advance. You can bake the cake layers a day ahead, prepare the strawberry syrup and lime cream, and even make the stabilized whipped cream frosting. Store everything properly chilled, and then simply assemble the cake a few hours before serving. This approach breaks down the process into manageable steps, making the final assembly a breeze and ensuring a perfectly fresh dessert.

Ingredient Quality Matters: For the best flavor, use fresh, ripe strawberries and vibrant, juicy limes. The quality of your ingredients will directly impact the deliciousness of your final cake.

Don’t Overbake the Cake: A common pitfall for many bakers is overbaking. Keep a close eye on your white cake layers. They should be just lightly golden and a toothpick inserted in the center should come out with moist crumbs, not liquid batter. Overbaked cakes will be dry and crumbly, which is the last thing you want for this luscious dessert.

Chilling is Key: After assembling, chilling the cake for 1-2 hours is not optional. This step is crucial for allowing the lime cream and whipped cream frosting to firm up, making the cake easier to slice and ensuring its structural integrity. It also allows the flavors to meld beautifully.

Substitutions: As noted in the ingredients, strawberry jam can be a quick substitute for fresh strawberry puree. Ensure it’s a good quality jam for the best flavor. For the white cake, while buttermilk is recommended for its tenderizing qualities, a simple substitute can be made by adding 1 tablespoon of white vinegar or lemon juice to 1 ⅓ cups of regular milk and letting it sit for 5-10 minutes before using.

Serving: 1 Serving, Calories: 752 kcal, Carbohydrates: 89g, Protein: 10g, Fat: 41g, Saturated Fat: 26g, Cholesterol: 143mg, Sodium: 293mg, Fiber: 2g, Sugar: 64g