Watermelon Delight Recipe

A refreshing summer cake that combines juicy watermelon with delicate sponge layers, creamy frosting, and subtle mint notes for the perfect balance of sweet and fruity flavors.
Difficulty:
Intermediate
Prep Time:
45 mins
Cook Time:
25 mins
Serves:
1 cake (12 slices)
An overhead shot of a vibrant pink and green layered cake styled on a white pedestal stand against a bright summer backdrop. Soft natural light streams in, highlighting the cake's moist interior revealed through a perfect slice being removed. The cross-section displays distinct watermelon-pink layers dotted with mini chocolate "seeds," separated by pale green mint-infused cream. The top is artfully decorated with fresh watermelon wedges, mint sprigs, and a light dusting of powdered sugar. Condensation beads on the fresh fruit pieces suggest refreshing coolness, while the cake's exterior features a subtle ombré frosting that transitions from white to pale green at the base, mimicking a watermelon rind.

Ingredients

<ul class="ingredients-main-list"> <li class="ingredients-single-item">For the pink cake layers:</li> <li class="ingredients-single-item">225g all-purpose flour</li> <li class="ingredients-single-item">200g granulated sugar</li> <li class="ingredients-single-item">2 tsp baking powder</li> <li class="ingredients-single-item">1/2 tsp salt</li> <li class="ingredients-single-item">120g unsalted butter, softened</li> <li class="ingredients-single-item">120ml whole milk</li> <li class="ingredients-single-item">3 large eggs, room temperature</li> <li class="ingredients-single-item">1 tsp vanilla extract</li> <li class="ingredients-single-item">15ml watermelon flavoring (or strawberry extract plus 4 drops watermelon candy oil)</li> <li class="ingredients-single-item">Pink food coloring (gel preferred)</li> <li class="ingredients-single-item">80g mini chocolate chips (for "seeds")</li> <li class="ingredients-single-item">For the green cake layer:</li> <li class="ingredients-single-item">75g all-purpose flour</li> <li class="ingredients-single-item">65g granulated sugar</li> <li class="ingredients-single-item">3/4 tsp baking powder</li> <li class="ingredients-single-item">Pinch of salt</li> <li class="ingredients-single-item">40g unsalted butter, softened</li> <li class="ingredients-single-item">40ml whole milk</li> <li class="ingredients-single-item">1 large egg, room temperature</li> <li class="ingredients-single-item">1/4 tsp vanilla extract</li> <li class="ingredients-single-item">Green food coloring (gel preferred)</li> <li class="ingredients-single-item">For the cream cheese frosting:</li> <li class="ingredients-single-item">400g cream cheese, room temperature</li> <li class="ingredients-single-item">115g unsalted butter, softened</li> <li class="ingredients-single-item">500g powdered sugar, sifted</li> <li class="ingredients-single-item">1 tsp vanilla extract</li> <li class="ingredients-single-item">15g fresh mint leaves (optional)</li> <li class="ingredients-single-item">For decoration:</li> <li class="ingredients-single-item">200g fresh watermelon, cut into small triangles</li> <li class="ingredients-single-item">Fresh mint sprigs</li> <li class="ingredients-single-item">15g powdered sugar for dusting</li> </ul>

Equipment

<ul class="equipment-main-list"> <li class="equipment-single-item">Three 20cm (8-inch) round cake pans</li> <li class="equipment-single-item">Stand mixer with paddle attachment</li> <li class="equipment-single-item">Parchment paper</li> <li class="equipment-single-item">Offset spatula</li> <li class="equipment-single-item">Food processor (for mint frosting option)</li> <li class="equipment-single-item">Cake turntable (optional but helpful)</li> </ul>
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Directions

<ol class="no-list-style"> <li class="MethodStepper"> <h4 class="step-title">Step 1</h4> Preheat your oven to 180°C (350°F). Grease and line three 20cm (8-inch) round cake pans with parchment paper – two for the pink layers and one for the green layer. Make sure your ingredients are at room temperature, which will ensure better emulsification and a more even cake texture. </li> <li class="MethodStepper"> <h4 class="step-title">Step 2</h4> Start with the pink watermelon cake layers. In a large bowl, whisk together the flour, sugar, baking powder, and salt until well combined. This thorough mixing ensures leavening agents are evenly distributed throughout the batter. </li> <li class="MethodStepper"> <h4 class="step-title">Step 3</h4> In your stand mixer fitted with the paddle attachment, beat the softened butter on medium speed until smooth and creamy, about 1 minute. Add the dry ingredients and mix on low speed until the mixture resembles coarse sand. This reverse-creaming method creates a finer, more tender crumb in your cake. </li> <li class="MethodStepper"> <h4 class="step-title">Step 4</h4> In a separate bowl, whisk together the milk, eggs, vanilla extract, and watermelon flavoring. Gradually add this wet mixture to your butter-flour mixture in three additions, mixing on medium speed for 30 seconds between each addition. Scrape down the sides and bottom of the bowl to ensure everything is incorporated. </li> <li class="MethodStepper"> <h4 class="step-title">Step 5</h4> Add pink food coloring a little at a time, mixing well, until you achieve a vibrant watermelon-pink shade. Remember that the color will lighten somewhat when baked, so make it slightly darker than your desired final result. Fold in the mini chocolate chips gently by hand – these will represent the watermelon seeds in your cake. </li> <li class="MethodStepper"> <h4 class="step-title">Step 6</h4> Divide the pink batter evenly between two prepared cake pans. Tap the pans gently on the counter to release any air bubbles, which helps prevent irregular holes in your baked cake. Bake for 22-25 minutes, or until a toothpick inserted into the center comes out clean with just a few moist crumbs. </li> <li class="MethodStepper"> <h4 class="step-title">Step 7</h4> While the pink layers are baking, prepare the green "rind" layer. Follow the same method as the pink layers (Steps 2-4), using the ingredients listed for the green cake. Add green food coloring to achieve a pale watermelon rind color. Pour into the third prepared pan and bake for 18-20 minutes (it's a thinner layer, so it will bake more quickly). </li> <li class="MethodStepper"> <h4 class="step-title">Step 8</h4> Allow all cake layers to cool in their pans for 10 minutes – this resting period helps the cake structure set. Then turn out onto wire racks to cool completely. If the cakes have domed tops, use a serrated knife to level them, ensuring flat, even layers for stacking. </li> <li class="MethodStepper"> <h4 class="step-title">Step 9</h4> For the cream cheese frosting, beat the cream cheese and butter in your stand mixer on medium-high speed until smooth and creamy, about 2 minutes. The temperature of these ingredients is crucial – if too cold, they won't blend properly; if too warm, the frosting will be loose. </li> <li class="MethodStepper"> <h4 class="step-title">Step 10</h4> Gradually add the sifted powdered sugar, mixing on low speed to avoid a sugar cloud. Once incorporated, increase to medium-high and beat until light and fluffy, about 3 minutes. Add the vanilla and mix to combine. If using mint, either finely chop the leaves and stir them in, or for a smoother texture, process the mint with 2 tablespoons of the sugar in a food processor before adding to the frosting. </li> <li class="MethodStepper"> <h4 class="step-title">Step 11</h4> To assemble, place one pink layer on your serving plate or cake board. Spread a generous layer of frosting on top. Place the second pink layer on top and add another layer of frosting. Finally, top with the green layer. This order creates the iconic watermelon look when sliced. </li> <li class="MethodStepper"> <h4 class="step-title">Step 12</h4> Apply a thin crumb coat of frosting all over the cake and chill for 20 minutes. This crucial step seals in crumbs and provides a smooth base for your final layer of frosting. After chilling, apply the final coat of frosting, creating an ombré effect if desired by tinting portions of your remaining frosting with pink and green coloring. </li> <li class="MethodStepper"> <h4 class="step-title">Step 13</h4> Just before serving, arrange fresh watermelon triangles and mint sprigs on top of the cake. Dust lightly with powdered sugar for a beautiful finishing touch. The fresh fruit not only enhances the presentation but also reinforces the watermelon flavor profile. </li> <li class="MethodStepper"> <h4 class="step-title">Step 14</h4> For the best flavor, allow the cake to sit at room temperature for 30 minutes before serving. This cake can be refrigerated for up to 3 days, but add the fresh watermelon decoration only just before serving to prevent excess moisture from seeping into the cake. Enjoy your refreshing Watermelon Delight! </li> </ol>

Nutrition Facts (per serving)

🍽️ Serving Size: 1 serving
🔥 Calories: 325 calories
🥑 Fat: 16 g
🧈 Saturated Fat: 9 g
🍞 Carbohydrates: 42 g
🍭 Sugar: 32 g
🍗 Protein: 4 g
🫀 Cholesterol: 85 mg
🧂 Sodium: 180 mg

Chef’s Notes

A few helpful details for making this recipe.

Can I make this watermelon cake without artificial flavouring?

Yes! Instead of watermelon flavouring, use a combination of real watermelon juice reduction (boil down 500ml juice to 50ml for concentrated flavour) and a bit of strawberry extract. Add 1-2 tablespoons of watermelon juice powder to the frosting for an authentic taste without artificial additives.

Why did the chocolate chips sink to the bottom of my cake layers?

To prevent chocolate chips from sinking, toss them in 1 tablespoon of flour before folding into the batter. Also, use mini chocolate chips rather than regular-sized ones, and make sure your batter isn't too thin. Adding the chips after pouring batter into pans and gently pushing them in works well too.

How do I achieve the perfect watermelon-pink colour for my cake layers?

For the ideal watermelon-pink shade, use gel food colouring rather than liquid, as it provides more concentrated colour without affecting the batter consistency. Start with a small amount, mixing thoroughly, then gradually add more until reaching a vibrant pink that's slightly darker than desired, as baking will lighten it.

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