The Best Easy Strawberry Rhubarb Coffee Cake Recipe

Welcome to the perfect blend of tart rhubarb and sweet strawberries nestled in a tender, crumbly coffee cake base. This Easy Strawberry Rhubarb Coffee Cake is the ideal treat for spring brunches, afternoon tea, or simply satisfying that cozy craving. It’s simple enough for beginner bakers yet impressive enough to serve guests.

Why You Will Love This Recipe

This recipe consistently wins compliments because it balances textures and flavors perfectly. You get the moist, buttery cake layers, the slight tanginess from the rhubarb cooked down with sweet berries, and the irresistible crunch of the streusel topping. It’s incredibly straightforward to put together, requiring minimal fussy steps, making it truly an Easy Strawberry Rhubarb Coffee Cake. Plus, the vibrant pink hues from the strawberries make it visually stunning for any occasion.

Ingredients

• 1 ½ cups all-purpose flour
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ½ teaspoon salt
• ½ cup (1 stick) unsalted butter, softened
• ¾ cup granulated sugar, plus ¼ cup for topping
• 1 large egg
• ½ cup buttermilk (or milk mixed with ½ tsp lemon juice)
• 1 teaspoon vanilla extract
• 1 cup chopped fresh or frozen rhubarb
• 1 cup chopped fresh strawberries
• 1 tablespoon all-purpose flour (for fruit coating)
• ½ cup all-purpose flour (for streusel topping)
• ¼ cup packed light brown sugar (for streusel topping)
• ½ teaspoon ground cinnamon (for streusel topping)

Step-by-Step Instructions

1. Preheat your oven to 375°F (190°C). Grease and flour an 8×8 inch baking pan or line it with parchment paper, leaving an overhang for easy removal.
2. Prepare the fruit: In a medium bowl, gently toss the chopped rhubarb and strawberries with 1 tablespoon of flour. Set aside.
3. Prepare the cake batter: In a separate bowl, whisk together 1 ½ cups of flour, baking powder, baking soda, and salt. Set aside.
4. In a large bowl, cream together the softened butter and ¾ cup of granulated sugar until light and fluffy (about 3 minutes). Beat in the egg until just combined, then mix in the buttermilk and vanilla extract.
5. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Be careful not to overmix.
6. Prepare the streusel topping: In a small bowl, combine the remaining ½ cup flour, ¼ cup brown sugar, the reserved ¼ cup granulated sugar, and cinnamon. Use your fingers or a fork to cut in 3 tablespoons of cold butter (or use the softened butter from the cake ingredients if you measured carefully) until the mixture resembles coarse crumbs.
7. Assemble the cake: Spread half of the cake batter evenly into the prepared pan. Sprinkle half of the fruit mixture over the batter. Dollop the remaining batter over the fruit layer (it does not need to be perfect). Top with the remaining fruit.
8. Generously sprinkle the streusel topping evenly over the fruit layer.
9. Bake for 40 to 45 minutes, or until a toothpick inserted into the center of the cake (avoiding a large piece of fruit) comes out clean.
10. Let the cake cool in the pan on a wire rack for at least 20 minutes before slicing and serving warm or at room temperature.

Expert Tips / Pro Tips

For the absolute best Easy Strawberry Rhubarb Coffee Cake, keep these pointers in mind:

• Ensure your butter and eggs are at room temperature; this guarantees a smoother, lighter batter consistency.
• Do not overmix the batter once the flour is added. Overmixing develops gluten, resulting in a tough, dense cake instead of a tender crumb.
• If using frozen rhubarb or strawberries, do not thaw them first. Toss them directly into the mix with the tablespoon of flour to prevent excessive moisture bleeding into the batter.
• For a professional look, consider drizzling a simple powdered sugar glaze (powdered sugar mixed with a teaspoon of milk or lemon juice) over the cooled cake.
• Tasting your rhubarb beforehand is key! If your rhubarb is exceptionally tart, consider adding an extra tablespoon of sugar to the fruit mixture.

Variations & Substitutions

This recipe is highly adaptable based on what produce is in season:

• Fruit Swaps: Feel free to substitute half or all of the rhubarb/strawberry mix with raspberries, blueberries, or finely chopped tart apples.
• Nutty Crunch: Add ½ cup of chopped pecans or walnuts to the streusel topping for extra texture and flavor.
• Spice It Up: Increase the cinnamon in the streusel to ¾ teaspoon, or add a pinch of nutmeg or cardamom to the main cake batter.
• Gluten-Free Option: Substitute the all-purpose flour with a high-quality 1-to-1 gluten-free baking blend.
• Dairy-Free: Substitute the butter with a good quality vegan baking stick and use almond or soy milk in place of buttermilk.

Serving Suggestions

This Easy Strawberry Rhubarb Coffee Cake shines on its own, but a few additions can elevate the experience.

• Serve warm alongside a scoop of vanilla bean ice cream for a decadent dessert.
• For breakfast or brunch, enjoy a slice dusted lightly with powdered sugar.
• A dollop of fresh, lightly sweetened whipped cream or crème fraîche pairs wonderfully with the tartness of the fruit.
• Serve with a hot cup of black coffee or an Earl Grey tea.

Storage, Freezing & Reheating

Proper storage keeps your coffee cake fresh and delicious.

• Room Temperature Storage: Store leftovers tightly covered (using plastic wrap or an airtight container) at room temperature for up to 3 days. Ensure the cake is completely cooled before covering it to prevent condensation buildup.
• Refrigeration: While refrigeration is possible, it can cause the cake to dry out faster. If you must refrigerate, let it sit at room temperature for 30 minutes before serving for the best texture.
• Freezing: This cake freezes beautifully! Bake, cool completely, and wrap tightly first in plastic wrap, then in a layer of aluminum foil. Freeze for up to 3 months. Thaw overnight in the refrigerator, then bring to room temperature before serving. Do not microwave from frozen.
• Reheating: Reheat individual slices briefly in the microwave (about 10-15 seconds) or wrap slices in foil and warm in a 300°F oven for 10 minutes.

Nutrition Information

The following is an estimation based on 9 generous servings. Actual values will vary based on specific ingredient brands and portion sizes.

FAQ

Can I use pre-made crumble topping instead of making my own streusel?

Yes, you can use store-bought crumble topping if you are short on time, but ensure you adjust the sugar content in the recipe slightly, as store-bought toppings are often already sweetened.

Why is my coffee cake sinking in the middle?

The most common reasons for sinking are opening the oven door too early (especially during the first 30 minutes of baking), or using ingredients that were too cold (like cold eggs or buttermilk), which prevents proper rising.

Can I make this recipe without buttermilk?

Absolutely. If you don’t have buttermilk, simply measure ½ cup of regular whole milk and stir in ½ teaspoon of white vinegar or lemon juice. Let it sit for 5 minutes to curdle slightly before using it in the recipe.

Is this cake best made with fresh or frozen rhubarb?

Both work well! Fresh rhubarb will give a slightly cleaner texture, but frozen rhubarb is perfectly acceptable, especially if you are making this cake outside of spring when fresh rhubarb is scarce. Remember to toss frozen fruit with the flour to absorb excess thaw moisture.

Easy Strawberry Rhubarb Coffee Cake

A moist, tender coffee cake bursting with fresh strawberries and tart rhubarb, topped with a crunchy streusel, perfect for breakfast or brunch.

Print Recipe Pin Recipe

Prep Time 25 minutes mins

Cook Time 50 minutes mins

Total Time 1 hour hr 15 minutes mins

Servings: 8 slices

Course: Breakfast, Brunch, Dessert

Cuisine: American

Calories: 380

Ingredients Method Notes

Ingredients

  

Streusel Topping

• 1 cup All-purpose flour
• 1/2 cup Granulated sugar
• 1/2 cup Unsalted butter, cold and cubed
• 1 teaspoon Ground cinnamon

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Cake Batter

• 1 3/4 cups All-purpose flour
• 1 teaspoon Baking powder
• 1/2 teaspoon Baking soda
• 1/4 teaspoon Salt
• 1/2 cup Unsalted butter, softened
• 1 cup Granulated sugar
• 2 large Eggs Room temperature
• 1 teaspoon Vanilla extract
• 1/2 cup Sour cream or plain Greek yogurt Room temperature
• 1 cup Strawberries, chopped Fresh or frozen (do not thaw)
• 1 cup Rhubarb, chopped into 1/2-inch pieces

Method

 

Instructions

1. Preheat oven to 375°F (190°C). Grease and flour a 9×9 inch baking pan or line with parchment paper, leaving an overhang for easy removal.
2. Prepare the Streusel: In a medium bowl, combine the flour, sugar, and cinnamon for the topping. Cut in the cold, cubed butter using a pastry blender or your fingers until the mixture resembles coarse crumbs. Set aside.
3. Prepare the Cake Batter: In a small bowl, whisk together the 1 3/4 cups flour, baking powder, baking soda, and salt. Set aside.
4. In a large bowl, cream the softened butter and 1 cup of sugar until light and fluffy (about 3 minutes). Beat in the eggs one at a time, beating well after each addition. Mix in the vanilla extract.
5. Alternately add the dry ingredients and the sour cream to the wet ingredients, beginning and ending with the dry mixture (three additions of dry, two of wet). Mix only until just combined; do not overmix.
6. Gently fold in the chopped strawberries and rhubarb until evenly distributed throughout the batter.
7. Spread the batter evenly into the prepared pan. Sprinkle the entire surface evenly with the reserved streusel topping.
8. Bake for 45 to 55 minutes, or until a toothpick inserted into the center of the cake comes out clean. If the topping begins to brown too quickly, loosely tent the cake with foil.
9. Let the cake cool in the pan on a wire rack for at least 20 minutes before lifting it out using the parchment overhang. Serve warm or at room temperature.

Notes

For an extra glaze (optional): Whisk together 1/2 cup powdered sugar with 2 tablespoons of milk or lemon juice and drizzle over the cooled cake.