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Watermelon Cake

I love this Watermelon Cake. I think this would be the perfect cake for parties this summer! Also cute for Memorial Day, July 4th or Labor Day!

It isn’t hard to make or decorate. It does take a little time, but it is so worth it in the end! I love the subtle watermelon flavor that the gelatin gives the cake.

If you want to add some “seeds” to your watermelon you could add chocolate chips to your batter. Another fun way to customize this cute cake. I love how easy it is to bake and you could easily make this gluten free when you use a gluten free cake mix.

Be sure to give this cake a try this summer! It tastes amazing and is super cute! I love serving it with the flag napkins.

Watermelon Cake

I love this Watermelon Cake. I think this would be the perfect cake for parties this summer! Also cute for Memorial Day, July 4th or Labor Day!
Print Recipe
Prep Time:5 minutes
Cook Time:40 minutes


  • 1 package white cake mix
  • 1 package (3 ounces) watermelon gelatin
  • 1 1/4 cups water
  • 2 large eggs
  • 1/4 cup cooking oil or applesauce
  • 2 1/2 cups prepared vanilla or cream cheese frosting, divided
  • Red and green food coloring
  • Chocolate chips


  • In a large bowl, combine the cake mix, gelatin, water, eggs and oil; beat on low speed for 30 seconds. Beat on medium for 2 minutes. Add some red food coloring if you want it to be brighter in color.
  • Pour into two greased and floured 9-in. round baking pans. Bake at 350° for 30-35 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks to cool completely.
  • Set aside 2 tablespoons frosting for decorating. Place 1-1/4 cups frosting in a bowl; tint red. Tint remaining frosting green.
  • Place one cake layer on a serving plate; spread with 1/2 cup red frosting to within 1/4 in. of edges. Top with second cake. Frost top with remaining red frosting to within 3/4 in. of edges. Frost sides and top edge of cake with green frosting.
  • Cut a 1/4-in. hole in the corner of pastry or plastic bag. Fill the bag with reserved white frosting. Pipe around top edge of cake where green and pink frostings meet. For seeds, insert chocolate chips upside down into cake top.
Servings: 8 people
Author: Melissa Jennings
Cost: $8

Melissa’s friend Krystal Kelley made this cake, and we credit her for the decorating skills. She said it was easy to do and tastes amazing!

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