Watermelon Cake Birthday

Watermelon Cake Birthday

Watermelon Cake Birthday

Have you ever been stumped on what to serve at a birthday party that’s both unique and delicious?

Make the watermelon cake birthday, a lovely twist on traditional birthday cakes that’s fresh, juicy, and practically screams summer.

This cake is not just a dessert, it’s a conversation starter that’s perfect for anyone looking to indulge in something sweet without the granulated sugar.

Last summer, I decided to make this cake for my niece’s birthday pool party.

Starting with a fresh, ripe watermelon, I carefully cut the bottom to create a stable surface, and then sliced it into a cake-shaped tier.

I whipped up some heavy cream, lightly sweetened with vanilla and a bit of sugar, and frosted the watermelon.

The cake was then adorned with colorful berries and a sprinkle of granulated sugar—a gluten-free, low sugar alternative that was still delicious and festive.

As I brought out the cake, the kids’ eyes lit up, and the adults appreciated the healthier alternative.

The freshly whipped cream and the juicy watermelon combined to create a refreshing treat that was perfect for the warm Memorial Day weekend.

Everyone loved the light, frosty texture and the creamy, whipped topping. It was great to see a birthday cake that could be so delightful yet easy to make.

From the floating berries on the topping to the whipped cream that held up surprisingly well under the summer sun, the watermelon cake birthday was a hit.

It has since become a highly recommended alternative for any birthday celebration, proving that a cake can be both beautiful and good for you.

If you’ve never tried a watermelon cake at your birthday parties, this summer might be the best time to make it!

Watermelon Birthday Cake Recipe

Refreshing Watermelon Birthday Cake Recipe


  • 1 seedless watermelon (7-10 pounds)
  • 2 1/2 cups heavy whipping cream
  • 1/4 cup sugar
  • Seeds scraped from one vanilla bean
  • Optional: Mint sprigs for decoration


  1. Take a sharp, large knife and carefully slice off the top and bottom of the watermelon to create flat surfaces. Save these pieces for later. Stand the watermelon upright on one flat end. Carefully peel away the rind in vertical strips, removing all the green skin and white pith until only the bright red fruit remains. Sculpt the fruit into a round cake shape by trimming the sides and top as needed.
  2. In a big bowl, use an electric hand mixer to whip the heavy cream on high speed until it starts to get thick. Gradually add the sugar, one tablespoon at a time, followed by the vanilla bean seeds. Continue beating until the cream is thick and has a spreadable consistency, which should take about 3 minutes.
  3. Place the sculpted watermelon on a cake stand or a large serving plate. Dab it gently with paper towels to absorb any extra moisture. Evenly spread the whipped cream all over the watermelon, covering it completely.
  4. Using a melon baller, scoop out round balls of watermelon from the reserved top and bottom pieces. Arrange these balls on the top center of the cake for added decoration. If you like, add a few sprigs of mint for a touch of greenery.
  5. Keep the watermelon cake for baby chilled in the refrigerator until you’re ready to serve. This keeps it fresh and the whipped cream firm.

watermelon cake for baby

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