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Easy Strawberry Rhubarb Dump Cake Recipe Perfect for Summer Desserts

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A quick and easy dump cake featuring fresh strawberries and rhubarb with a crisp, buttery topping. Perfect for summer gatherings and simple enough for any skill level.

Ingredients

Scale
  • 4 cups strawberries, hulled and sliced
  • 3 cups rhubarb stalks, chopped into 1/2-inch pieces
  • 1 cup granulated sugar
  • 1 box yellow cake mix (15.25 oz / 432 g)
  • 1 cup unsalted butter (2 sticks / 227 g), melted
  • 1/2 teaspoon ground cinnamon
  • 1 teaspoon vanilla extract (optional)

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a large bowl, combine the sliced strawberries and chopped rhubarb. Sprinkle with granulated sugar and ground cinnamon. Add vanilla extract if using. Toss gently until the fruit is evenly coated.
  3. Transfer the fruit mixture to your baking dish and spread it out evenly, including all the sugary juices.
  4. Sprinkle the dry yellow cake mix evenly over the fruit without stirring.
  5. Pour the melted butter evenly over the cake mix, covering all the dry mix.
  6. Bake uncovered for 40-45 minutes until the fruit is bubbly on the edges and the crust is golden brown. If the top browns too quickly, loosely cover with foil for the last 10 minutes.
  7. Let the cake cool for at least 15 minutes before serving.

Notes

Use fresh, firm rhubarb to avoid watery filling. Do not stir after layering the cake mix and butter to achieve a crisp topping. If topping isn’t crisp enough, broil for 1-2 minutes at the end, watching carefully. For a crunchier topping, chill melted butter before pouring. Frozen fruit can be used if thawed and drained. Adaptable for gluten-free and dairy-free diets by substituting cake mix and butter.

Nutrition

Keywords: strawberry rhubarb dump cake, easy summer dessert, quick dump cake, buttery topping, fruit dessert, gluten-free option, dairy-free option