There’s something truly comforting about a slice of cake that perfectly balances sweetness and tartness. The Strawberry Rhubarb Crumb Cake is a delightful treat that offers just that. This cake is not only delicious but also serves as a warm reminder of summer picnics and family gatherings. The soft, tender crumb paired with the crunchy topping makes every forkful a joy. Whether it’s an afternoon snack or dessert after dinner, this cake embodies simplicity and delight in every bite.
At the heart of this recipe are vibrant, ripe strawberries and tangy rhubarb. The combination of 1 cup of diced strawberries and 1 cup of diced rhubarb infuses the cake with a luscious, fruity flavor. In addition, the rich texture comes from the 1 ½ cups of all-purpose flour, while ½ cup of brown sugar adds a hint of caramel, enhancing the overall depth of taste. Tar-set, these flavors are expertly complemented by a teaspoon of vanilla extract, along with the warm, fragrant notes of ½ teaspoon of cinnamon. Each bite harmonizes sweet and tart in a way that feels both refreshing and satisfying.
Making this Strawberry Rhubarb Crumb Cake is surprisingly easy. You begin by preheating your oven to 350°F (175°C) and greasing a 9×9 inch baking pan, which sets the stage for the cake. Mixing the strawberries and rhubarb in a bowl is the first step, followed by creaming together the butter and sugars until fluffy. The addition of eggs and vanilla adds moisture and flavor before you fold in the dry ingredients. With just a few simple steps, you’ll have a delicious batter ready for the oven, topped off with a crumbly oat mixture that takes it over the top.
This cake shines in various scenarios. It is perfect for a chilly evening when you want to cozy up with a warm dessert. It’s also a great recipe to bring to potlucks, as it’s sure to impress friends and family alike. Everyone will appreciate this homemade treat, whether enjoyed alone with a cup of tea or alongside a scoop of vanilla ice cream on special occasions.
Why You’ll Love This Strawberry Rhubarb Crumb Cake
- Comforting Flavors: The blend of sweet strawberries and tart rhubarb creates a comforting balance that feels like home.
- Quick to Make: With just a few simple steps, you can whip this cake up in no time.
- Simple Ingredients: You likely have many of the ingredients in your pantry, making this a convenient choice.
- Versatile Serve: Whether as a dessert or a snack, it fits perfectly into any meal.
- Family Favorite: This recipe is sure to become a staple that your family will request time and again.
Strawberry and Rhubarb Tips
Selecting fresh strawberries and rhubarb is crucial for this recipe. Choose strawberries that are deep red, plump, and fragrant, indicating they’re sweet and ready to use. For rhubarb, look for firm, brightly colored stalks without any signs of wilting. Avoid any with brown spots or a mushy texture, as these can affect the quality of your cake. Properly preparing these fruits by rinsing and dicing them will ensure an even distribution throughout the cake, enhancing both flavor and visual appeal.
Options for Substitutions
- Baking Flour: Use whole wheat flour for a heartier cake.
- Sugar: Substitute coconut sugar for a lower glycemic option.
- Butter: Use unsweetened applesauce for a lower-fat variant.
- Eggs: Flaxseed meal mixed with water can replace eggs for a vegan option.
- Oats: Swap rolled oats for crushed nuts for those who prefer a crunchier topping.
- Cinnamon: Try nutmeg or allspice for a different flavor profile in the crumb topping.
Watch Out for These Mistakes
One common pitfall is over-mixing the batter. When you add the dry ingredients to the wet, mix until just combined. Over-mixing can cause your cake to become dense and chewy rather than light and fluffy. Additionally, ensure your oven is thoroughly preheated before placing the cake inside. If the oven is not hot enough, it can disrupt the baking time and affect the final texture.
Another mistake is assuming you can skip greasing the baking pan. This can lead to your cake sticking and falling apart when you try to serve it. Always remember to prepare your pan properly. Lastly, let the cake cool in the pan for a bit before transferring it to a wire rack. This will help it set and maintain its shape.

What to Serve With Strawberry Rhubarb Crumb Cake?
This cake pairs beautifully with a variety of sides. A dollop of whipped cream adds a creamy richness that complements the fruitiness. You can also serve it with a scoop of vanilla ice cream for a classic dessert experience. A simple cup of coffee or tea pairs perfectly for an afternoon snack, enhancing the flavors of the cake.
Storage Instructions
Store: Keep the cake in an airtight container in the fridge for up to 5 days.
Freeze: This cake freezes well. Wrap slices in plastic wrap and place them in a freezer-safe container for up to 3 months.
Reheat: To reheat, you can place the slice in the microwave for about 30 seconds or warm it on the stovetop in a skillet over low heat.
Recipe Info
Preparation Time: 15 minutes
Cooking Time: 40-50 minutes
Total Time: 55-65 minutes
Level of Difficulty: Easy
Servings: Approximately 9 slices
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
Calories: 1,920 – 2,040
Protein: 24 – 30 grams
Fat: 70 – 90 grams
Carbohydrates: 330 – 350 grams
Ingredients
- 1 cup diced strawberries
- 1 cup diced rhubarb
- 1 ½ cups all-purpose flour
- 1 cup granulated sugar
- ½ cup brown sugar
- ½ cup unsalted butter, softened
- 1 teaspoon vanilla extract
- 2 large eggs
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- 1 cup rolled oats
- ½ teaspoon cinnamon
Step-by-Step Instructions
Step 1: Preheat Oven and Prep Pan
Preheat your oven to 350°F (175°C). Grease a 9×9 inch baking pan to ensure the cake does not stick to it.
Step 2: Combine the Fruits
In a mixing bowl, combine the diced strawberries and rhubarb. Set this bowl aside while you prepare the batter.
Step 3: Cream Butter and Sugars
In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar until the mixture is light and fluffy.
Step 4: Add Eggs and Vanilla
Add in the eggs, one at a time, mixing well after each addition. Then stir in the vanilla extract to incorporate the flavors.
Step 5: Mix Dry Ingredients
In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, salt, and cinnamon until combined.
Step 6: Combine Everything
Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Gently fold in the strawberries and rhubarb, ensuring even distribution throughout the batter.
Step 7: Pour into Pan
Pour the batter into the prepared baking pan, smoothing it out with a spatula for an even layer.
Step 8: Prepare the Crumb Topping
In a small bowl, combine the rolled oats, brown sugar, and melted butter for the crumb topping. Sprinkle this evenly over the batter in the pan.
Step 9: Bake the Cake
Place the pan in the preheated oven and bake for 40-50 minutes. Check for doneness by inserting a toothpick into the center; it should come out clean when the cake is ready.
Step 10: Cool and Serve
Once baked, allow the cake to cool in the pan for a few minutes before transferring it to a wire rack to cool completely.

The Strawberry Rhubarb Crumb Cake is a delightful mix of flavors and textures, perfect for yourself or sharing with loved ones. I encourage you to try this simple yet delicious recipe and experience the joy it brings. If you enjoy it, please share your thoughts or explore more delightful recipes on the blog!
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Strawberry Rhubarb Crumb Cake
- Prep Time: 15 minutes
- Cook Time: 50 minutes
- Total Time: 65 minutes
- Yield: 9 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
A delightful cake that balances sweetness and tartness, made with fresh strawberries and rhubarb, topped with a crumbly oat mixture.
Ingredients
- 1 cup diced strawberries
- 1 cup diced rhubarb
- 1 ½ cups all-purpose flour
- 1 cup granulated sugar
- ½ cup brown sugar
- ½ cup unsalted butter, softened
- 1 teaspoon vanilla extract
- 2 large eggs
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- 1 cup rolled oats
- ½ teaspoon cinnamon
Instructions
- Preheat your oven to 350°F (175°C). Grease a 9×9 inch baking pan.
- Combine the diced strawberries and rhubarb in a mixing bowl.
- Cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.
- Add in the eggs, one at a time, mixing well after each addition, then stir in the vanilla extract.
- Mix together the all-purpose flour, baking powder, baking soda, salt, and cinnamon in a separate bowl.
- Combine the dry ingredients into the wet ingredients, mixing until just combined. Gently fold in the strawberries and rhubarb.
- Pour the batter into the prepared baking pan, smoothing it out with a spatula.
- Prepare the crumb topping by combining the rolled oats, brown sugar, and melted butter in a small bowl.
- Sprinkle the crumb topping evenly over the batter.
- Bake for 40-50 minutes, checking for doneness with a toothpick.
- Cool in the pan for a few minutes before transferring it to a wire rack.
Notes
Store in an airtight container in the fridge for up to 5 days. This cake freezes well for up to 3 months.
Nutrition
- Serving Size: 1 slice
- Calories: 210
- Sugar: 15g
- Sodium: 200mg
- Fat: 8g
- Saturated Fat: 4g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 35mg