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A single slice of watermelon "cake" on a white plate, topped with light whipped cream, fresh raspberries, blueberries, strawberries, and a mint leaf, with a bright kitchen background.

Watermelon Summer Cake (No-Bake, Fresh Fruit)

A refreshing, naturally sweet "cake" made entirely from fresh watermelon, topped with whipped cream and fresh berries. No oven, no baking just a showstopping summer dessert.
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Prep Time 30 minutes
Chill Time 1 hour
Total Time 1 hour 30 minutes
Servings: 10 Servings
Course: Dessert
Cuisine: American
Calories: 120
Ingredients Equipment Method Notes

Ingredients
  

For the Cake
  • 1 large seedless watermelon
  • 1 cup heavy whipping cream cold
  • 2 tbsp powdered sugar
  • 1 tbsp vanilla extract
For the Topping
  • 1 cup mixed fresh berries strawberries, blueberries, raspberries
  • ΒΌ cup sliced almonds or pistachios optional
  • Fresh mint leaves optional, for garnish

Equipment

  • 1 Large sharp chef's knife
  • 1 Large cutting board
  • 1 Stand mixer or hand mixer for whipping cream
  • 1 Cake stand or serving platter
  • 1 Offset spatula for spreading whipped cream

Method
 

  1. Cut off both ends of the watermelon so it can stand upright on a flat surface.
    A fresh, whole watermelon standing upright on a clean kitchen counter after both ends have been sliced off to create a flat, stable base for a watermelon cake.
  2. Using a sharp knife, carefully trim away the rind from around the sides, following the curve of the fruit.
    A peeled, cylindrical watermelon standing upright on a kitchen counter, with thin green slices of the removed rind lying next to it.
  3. Trim the top and bottom flat if a more traditional cake height is desired.
    A perfectly trimmed, cylindrical watermelon standing flat and stable on a kitchen counter, ready for frosting and decoration.
  4. In a chilled bowl, whip the cold heavy cream, powdered sugar, and vanilla extract until soft peaks form.
    A glass bowl filled with freshly whipped, fluffy white cream with soft peaks, sitting on a kitchen counter.
  5. Place the watermelon cake on a serving platter and spread the whipped cream over the top (and partway down the sides, if desired).
    A freshly assembled watermelon cake on a white serving platter, beautifully frosted with a thick layer of whipped cream that is dripping down the sides.
  6. Arrange fresh berries on top, then finish with almonds, pistachios, or mint leaves.
    Watermelon Summer Cake
  7. Serve immediately, or refrigerate for up to 1 hour before serving.
    A fully assembled and decorated watermelon cake, frosted with whipped cream and topped with fresh berries, sitting on a white plate in a bright kitchen.

Notes

  • Choose a watermelon that feels heavy for its size with a creamy yellow underside spot for the sweetest result.
  • Chill the watermelon before assembling for the most refreshing taste.
  • Pat the watermelon dry after trimming so the whipped cream adheres better.
  • Best assembled close to serving time, as watermelon releases moisture over time.
  • Not recommended for freezing.