Rhubarb and Strawberry Dump Cake

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An easy springtime recipe, using strawberries and rhubarb, that is simple enough for kids to help with. This recipe is terrific with vanilla bean ice cream.


  • 4 cups chopped rhubarb
  • 2 cups sliced strawberries
  • 1 (3 ounce) package strawberry-flavored gelatin mix (such as Jell-O®)
  • ¼ cup white sugar, or more to taste (Optional)
  • 1 (15.25 ounce) package yellow cake mix
  • 1 cup warm water
  • ¼ cup butter


Preheat oven to 350 degrees F (175 degrees C). Grease a 9×13-inch baking pan.

Place rhubarb and strawberries in baking pan. Evenly spread strawberry-flavored gelatin mix over fruit, then repeat with cake mix. Pour water over cake mix layer; do not stir. Dot the top of the cake with butter.

Bake in the preheated oven until cake is bubbly, about 20 minutes.

Preparation time: 15 mins
Cook time: 20 mins
Total time: 35 mins
Servings: 12 – Yield: 12 servings



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