Strawberry Rhubarb Dump Cake is a delightful and incredibly easy dessert that captures the essence of spring with its perfect balance of sweet strawberries and tangy rhubarb. The best part? It’s a no-fuss dessert that’s ready in just a few simple steps, making it ideal for busy weeknights or weekend gatherings. With just six ingredients, this recipe combines fresh fruit, a buttery cake topping, and a tangy strawberry twist, delivering a delicious dessert that everyone will love.

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Why You’ll Love This Strawberry Rhubarb Dump Cake
Strawberry Rhubarb Dump Cake is not just quick, but it also offers an irresistible blend of flavors. The tartness of rhubarb pairs beautifully with the sweetness of fresh strawberries, creating a mouthwatering balance. The best part? There’s no mixing required—simply “dump” the ingredients into your baking dish, bake, and you’re ready to indulge in a warm, comforting dessert. It’s a perfect way to enjoy rhubarb during the spring season while keeping things simple.
Ingredients for Strawberry Rhubarb Dump Cake
This recipe requires just six ingredients plus a bit of water to bring it all together. Here’s what you’ll need:
• Fresh rhubarb: The tart base for the cake that creates a vibrant and tangy flavor.
• Fresh strawberries: Sweet and juicy, these soften the tartness of the rhubarb.
• Granulated sugar: Adds sweetness to balance the rhubarb’s tartness.
• Strawberry Jell-o: Enhances the strawberry flavor and thickens the fruit filling as it bakes.
• Yellow cake mix: Forms the crisp, buttery topping of the dump cake.
• Melted butter: Moistens the cake mix and gives it that signature crumbly texture.
• Water: Helps create the thick, bubbling sauce at the bottom of the cake.
Alternative Ingredient Suggestions
If you want to swap out any ingredients for dietary preferences or availability, here are a few options:
• Frozen rhubarb: You can replace fresh rhubarb with frozen rhubarb, but be sure to thaw it first and reduce the water by half to avoid extra moisture.
• Gluten-free cake mix: For a gluten-free version, swap out the yellow cake mix for a gluten-free alternative.
• Mixed berries: Instead of strawberries, you can use a combination of other fresh berries such as blueberries or raspberries for a different twist on the flavor.
Step-by-Step Instructions for Making Strawberry Rhubarb Dump Cake
- Prepare the fruit: Slice the fresh rhubarb and strawberries. Place them at the bottom of your baking dish, spreading them out evenly.
- Add sugar: Sprinkle the granulated sugar over the rhubarb and strawberries. This will help draw out the natural sweetness from the fruit.
- Add Jell-o powder: Sprinkle the dry strawberry Jell-o over the fruit mixture. This will intensify the strawberry flavor and thicken the fruit filling.
- Top with cake mix: Evenly distribute the dry yellow cake mix over the fruit mixture. Do not mix—let the dry mix sit on top.
- Drizzle with butter: Pour the melted butter over the dry cake mix. It’s okay if some areas remain dry, as they will still bake to a crispy texture.
- Add water: Drizzle the water over the cake mix to help it bake evenly and create that lovely sauce at the bottom.
- Bake: Place the baking dish in a preheated oven at 350°F and bake for 45-55 minutes, or until the top is golden brown and the edges are bubbling.
- Cool and serve: Allow the dump cake to cool slightly before serving. Pair it with a dollop of whipped cream or a scoop of vanilla ice cream for the perfect finish.

Tips & Tricks for a Perfect Strawberry Rhubarb Dump Cake
- Check the doneness: If the top of the cake isn’t golden brown, bake it for an additional 5-10 minutes. Keep an eye on it to ensure it doesn’t burn.
- Use fresh fruit: For the best flavor and texture, use fresh strawberries and rhubarb. Frozen fruit can work in a pinch, but fresh produces a firmer texture and a richer flavor.
- Don’t stir: The key to the dump cake’s texture is not stirring the ingredients. Let the cake mix sit on top to form a crumbly, crispy topping.
- Storage: Leftovers can be stored in the fridge for up to 3 days. Reheat in the oven or microwave for a few seconds before serving.
Variations & Pairing Ideas
While this Strawberry Rhubarb Dump Cake is perfect as is, here are a few ways to change it up:
• Top with whipped cream or ice cream: Add a generous dollop of whipped cream or a scoop of vanilla ice cream to each serving for extra indulgence.
• Make it a spiced version: Add a teaspoon of cinnamon or nutmeg to the cake mix for a warm, spiced twist.
• Try other fruit combos: For a different flavor profile, try mixing in blueberries or raspberries with the strawberries for a berry-packed treat.
Make Ahead & Storage Tips
Strawberry Rhubarb Dump Cake is a fantastic make-ahead dessert. You can prepare it a day ahead, store it in the fridge, and bake it just before serving. This ensures a warm, fresh dessert with minimal last-minute effort.
Health Benefits of Strawberry Rhubarb Dump Cake
While this dessert isn’t exactly health food, it does offer some nutritional benefits thanks to its fresh fruit ingredients. Rhubarb is high in fiber and antioxidants, while strawberries provide vitamin C and other essential nutrients. Pairing this dump cake with a light whipped topping or a small scoop of ice cream will create a perfect balance of indulgence and nutrition.
Whether you’re a fan of rhubarb or just looking for a quick dessert, Strawberry Rhubarb Dump Cake is the ultimate springtime treat that’s both easy to make and absolutely delicious. Enjoy it as a sweet finish to your meal or a stand-alone snack any time of day.
Conclusion
Strawberry Rhubarb Dump Cake is an unbeatable dessert that combines simplicity with mouthwatering flavors. It’s the perfect dessert for anyone looking for a fuss-free yet delicious treat. Whether you’re new to rhubarb or a long-time fan, this recipe offers the best of both worlds—tartness from the rhubarb and sweetness from the strawberries. With minimal ingredients and effort, you can create a comforting dessert that’s sure to impress. Serve it warm with a scoop of ice cream or whipped cream, and you have a dessert everyone will rave about.
Frequently Asked Questions (FAQs)
Can I use frozen rhubarb for this Strawberry Rhubarb Dump Cake?
Yes, frozen rhubarb can be used instead of fresh. Just make sure to thaw it first and drain any excess water before using it in the recipe. To avoid making the cake too soggy, reduce the water by half when drizzling it over the cake mix.
Can I make Strawberry Rhubarb Dump Cake ahead of time?
Absolutely! You can prepare the Strawberry Rhubarb Dump Cake a day ahead of time and store it in the fridge. When you’re ready to serve, simply bake it until the top is golden and the edges are bubbling. It’s a great make-ahead dessert for gatherings or special occasions.
How do I store leftovers of Strawberry Rhubarb Dump Cake?
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, you can microwave individual servings or warm the entire cake in the oven at 350°F for about 10-15 minutes.
More Relevant Recipes
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Strawberry Rhubarb Dump Cake
- Total Time: 1 hour
- Yield: 8–10 servings 1x
Description
Strawberry Rhubarb Dump Cake is a delicious and easy-to-make dessert that combines the tangy flavor of rhubarb and sweet strawberries with a buttery cake topping. It requires minimal ingredients and is perfect for any occasion, offering a simple yet comforting dessert.
Ingredients
- 1 1/2 cups fresh rhubarb, sliced
- 2 cups fresh strawberries, sliced
- 1 cup granulated sugar
- 1 (3 oz) package strawberry Jell-o
- 1 box yellow cake mix
- 1/2 cup melted butter
- 1/4 cup water
Instructions
- Preheat the oven to 350°F (175°C).
- Slice the rhubarb and strawberries, then spread them evenly in the bottom of a 9×13-inch baking dish.
- Sprinkle the granulated sugar over the fruit mixture.
- Sprinkle the dry strawberry Jell-o evenly over the fruit and sugar.
- Spread the dry yellow cake mix over the fruit mixture without stirring.
- Drizzle the melted butter over the dry cake mix evenly.
- Drizzle the water over the cake mix.
- Bake for 45-55 minutes, or until the top is golden brown and the edges are bubbling.
- Allow the cake to cool slightly before serving.
Notes
- Use fresh rhubarb and strawberries for the best texture and flavor.
- If using frozen rhubarb, thaw and drain before use.
- For a gluten-free option, substitute the yellow cake mix with a gluten-free cake mix.
- Leftovers can be stored in an airtight container for up to 3 days in the fridge.
- Prep Time: 15 minutes
- Cook Time: 45-55 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 250
- Sugar: 24g
- Sodium: 150mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 2g
- Protein: 2g
- Cholesterol: 35mg
