Strawberry Rhubarb Coffee Cake

By:

Sarah

Published:

May 18, 2026

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Strawberry rhubarb coffee cake is a delightful combination of tart and sweet flavors wrapped in a soft, tender crumb. The first time I made this cake, it was for a brunch gathering with friends. The smell of fresh strawberries and tangy rhubarb baking in the oven filled my home with an inviting warmth that instantly lifted everyone’s spirits. Each bite delivers a perfectly balanced taste that’s deliciously moist yet wonderfully fluffy, making it an irresistible treat for any occasion.

This dessert doubles as a fantastic breakfast, satisfying cravings whether you’re looking for a quick morning pick-me-up or an indulgent afternoon snack. The magic happens when the tangy fruit filling meets the buttery cake layers, creating a delightful contrast that’s far superior to store-bought alternatives. Trust me on this one; you’ll want to keep this strawberry rhubarb coffee cake recipe close at hand. Let’s get started on this scrumptious journey!

Why You’ll Love This Recipe

Simple & Quick: With just about 20 minutes of prep time, this cake comes together in no time.
Irresistible Flavor: The sweet strawberries meld perfectly with the tart rhubarb for a truly delightful taste experience.
Eye-Catching Appeal: Each slice showcases vibrant red and pink hues, making it a stunning centerpiece for any table.
Flexible Serving: Perfect for breakfast, brunch, or as an afternoon treat with coffee.
Diet-Friendly Options: Easily adaptable for gluten-free diets by substituting with gluten-free flour.

Ingredients You’ll Need

3 cups sliced rhubarb: This gives the coffee cake its signature tartness. Look for firm, bright stalks for the best flavor.
2 pints fresh strawberries, mashed: These add sweetness and moisture. Fresh is best, but you can use frozen if necessary; just ensure they’re thawed and drained.
2 tablespoons lemon juice: A splash brings out the flavors of the fruit. Fresh lemon juice is preferable for vibrant taste.
1 cup sugar: Balances out the tartness of the rhubarb. You can also use brown sugar for a richer flavor.
1/4 cup cornstarch: This thickens the fruit filling, ensuring it sets nicely.
3 cups all-purpose flour: The foundation of your cake. For a gluten-free version, use a 1:1 gluten-free flour blend.
1 cup sugar: Another round of sweetness for the cake batter; you can reduce slightly if desired.
1 1/2 teaspoon baking powder: Helps the cake rise and gives it a light texture.
1 teaspoon baking soda: An additional lift for your cake.
1/2 teaspoon salt: Enhances the flavors and balances sweetness.
1 cup unsalted butter, diced into small cubes: Use cold butter for a fluffy texture; it’s essential for a tender crumb.
1 1/2 cup buttermilk: This brings moisture and acidity, resulting in a richer flavor profile. If you don’t have buttermilk, you can substitute it with regular milk mixed with a teaspoon of vinegar.
2 eggs: Adds structure and stability to your cake.
1 teaspoon vanilla extract: Enhances sweetness; pure vanilla extract is best for a depth of flavor.
1/4 cup butter: Used for the crumb topping; this adds richness and texture.
3/4 cup all-purpose flour: Combined with the butter and sugar for a delightful crumb topping.
3/4 cup sugar: Another layer of sweetness for the streusel topping.

How to Make Strawberry Rhubarb Coffee Cake

Prepare the Filling: In a large saucepan, combine 3 cups sliced rhubarb, 2 pints of mashed strawberries, and 2 tablespoons of lemon juice. Cover and cook over medium heat for about five minutes, stirring occasionally until the fruit begins to soften. In a separate bowl, mix together 1 cup sugar and 1/4 cup cornstarch. Stir this mixture into the fruit and bring to a boil while stirring constantly, cooking until thickened. Remove from heat and let cool.
Mix the Cake Batter: In a large bowl, combine 3 cups of all-purpose flour, 1 cup sugar, 1 1/2 teaspoon baking powder, 1 teaspoon baking soda, and 1/2 teaspoon salt. Cut in 1 cup of diced unsalted butter until the mixture resembles coarse crumbs. In a separate bowl, whisk together 1 1/2 cup buttermilk, 2 eggs, and 1 teaspoon vanilla extract. Slowly stir this into the flour mixture until well combined.
Assemble the Cake: Preheat your oven to 350°F (175°C). Spread half of the batter evenly into a greased 9×13 baking dish. Carefully spread the cooled fruit filling over the batter, making sure it’s distributed evenly. Use tablespoons to drop the remaining batter over the filling, creating dollops throughout.
Prepare the Topping: In a medium bowl, melt 1/4 cup of butter. Stir in 3/4 cup of all-purpose flour and 3/4 cup sugar until you achieve a crumbly topping. Sprinkle the crumb mixture over the batter.
Bake and Cool: Bake at 350°F (175°C) for about 45 minutes or until a toothpick inserted in the center comes out clean. The edges will be golden and fragrant. Let the cake cool in the pan on a wire rack before slicing and serving.

Storing & Reheating

To store your strawberry rhubarb coffee cake, keep it in an airtight container at room temperature for up to three days. If you need longer storage, refrigerate it for up to a week, using an airtight container. For longer storage, freeze the cake in an airtight container for up to three months. When you’re ready to enjoy it again, simply thaw in the refrigerator overnight and reheat in a 350°F (175°C) oven for about 10-15 minutes for the best texture and flavor.

Chef’s Helpful Tips

Ensure your butter is cold when cutting it into the flour for the cake; this helps develop a tender crumb.
If the rhubarb is particularly tart, feel free to adjust the sugar in the filling to suit your taste.
Watch the baking time; ovens can vary, and you want a golden top with a skewer coming out clean.
You can make the filling ahead of time and store it in the fridge for up to two days, making the assembly faster.
To enhance flavor, consider adding a pinch of cinnamon or nutmeg to the topping.

Every bite of this strawberry rhubarb coffee cake is a reminder of why I fell in love with baking. It’s easy to make and brings together flavors that perfectly complement a warm cup of coffee or a refreshing glass of iced tea. Don’t hesitate—give this recipe a try and share it with friends and family. Each slice holds not just fruit and cake but the joy of cooking and sharing!

Recipe FAQs

Can I use frozen strawberries or rhubarb for this recipe?

Absolutely! Frozen strawberries or rhubarb can be used in place of fresh. Just make sure to thaw and drain them well to avoid excess moisture in the filling, which can make the cake soggy.

How can I make this coffee cake gluten-free?

You can substitute the all-purpose flour with a gluten-free flour blend in a 1:1 ratio. Additionally, check that your baking powder and other ingredients are gluten-free to ensure the entire cake remains compliant.

Why is my coffee cake dense?

If your coffee cake turns out dense, it might be due to overmixing the batter or using too much flour. Make sure to gently combine the wet and dry ingredients until just mixed for a light and fluffy texture.

Can I make this cake ahead of time?

Yes, this cake can be made a day in advance. Bake it, let it cool completely, and then store it in the refrigerator. Bring it back to room temperature before serving, or warm it up in the oven for that freshly-baked taste.