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pan of Rhubarb dump cake in the background with servings in two parfait glasses.
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5 from 2 votes

Rhubarb Dump Cake

Our old fashioned Rhubarb Dump cake recipe is an easy one dish dessert that's tangy and sweet in each bite. This delectable, easy-to-make dessert is perfect for showcasing the tartness of fresh rhubarb. With only five ingredients, this rustic delight could be on your table tonight!
Prep Time5 minutes
Cook Time1 hour
Total Time1 hour 5 minutes
Course: Desserts
Cuisine: American
Servings: 8
Calories: 467kcal
Author: Kelly Bloom
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Ingredients

  • 1 lb rhubarb fresh, cut into 1" chunks
  • 1 pkg strawberry gelatin dessert 3 oz box
  • ¾ cup sugar
  • 1 pkg White cake mix or yellow cake mix
  • ½ cup butter 1 stick
  • 2 cup water

Instructions

  • Preheat the oven to 350℉, and spray a 9 x 13 casserole dish with non stick cooking spray.
  • Wash and trim the ends off the fresh rhubarb. Cut into 1" pieces and spread in the bottom of the casserole dish.
    1 lb rhubarb
  • Sprinkle the Strawberry Jello over the cut rhubarb first, then sprinkle the sugar over the Jello.
    1 pkg strawberry gelatin dessert, ¾ cup sugar
  • Sprinkle the dry cake mix over the sugar and Jello covered rhubarb, making sure to evenly distribute it.
    1 pkg White cake mix
  • Drizzle the melted butter over the cake mix topped fruit mixture, then carefully pour the water over the everything.
    ½ cup butter, 2 cup water
  • Bake for 45 to 60 minutes, or until the top is golden brown and bubbly.
  • Remove from the oven and let cool for about 20 minutes before serving. Serve alone or with ice cream or whipped cream.

Notes

  • Use fresh rhubarb if possible. Fresh rhubarb will have a brighter flavor than frozen rhubarb.
  • If you are using frozen rhubarb, thaw it completely before using.
  • If you don't have rhubarb available, strawberries work just as well!

Nutrition

Calories: 467kcal | Carbohydrates: 83g | Protein: 4g | Fat: 14g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 1g | Cholesterol: 31mg | Sodium: 594mg | Potassium: 208mg | Fiber: 2g | Sugar: 56g | Vitamin A: 412IU | Vitamin C: 5mg | Calcium: 196mg | Iron: 1mg