Spring is the perfect time to celebrate the bright, tangy pop of rhubarb against a sweet, cinnamon-kissed streusel. This Rhubarb Sour Cream Coffee Cake brings all the cozy vibes of your grandma’s kitchen with a fresh, spring-forward twist. Every bite is a delightful balance of textures: the tender, moist crumb courtesy of rich sour cream, the tender cake studded with juicy, slightly tart rhubarb chunks, and the crunchy, buttery topping that melts into a sweet, cinnamon-laced mosaic. Whether you’re craving a weekend breakfast treat or a show-stopping brunch centerpiece, this coffee cake has you covered. The best part? It’s surprisingly simple to whip up, so you can spend less time measuring and more time sipping your morning coffee (or tea) while your oven does the heavy lifting.
What really makes this cake sing is how the ingredients harmonize into something far greater than the sum of their parts. The tang from fresh rhubarb cuts through the sweetness in just the right way, creating a sensational flavor duet that dances across your taste buds. And thanks to the sour cream’s tangy creaminess, the crumb stays perfectly tender and moist—even after resting at room temperature. From first whiff to final crumb, this recipe feels like a warm hug on a cool morning, coaxing everyone to gather around the table for a slice (or two) of pure, homemade comfort.
KEY INGREDIENTS IN RHUBARB SOUR CREAM COFFEE CAKE
Before we dive into the baking magic, let’s talk about the star players that make this cake a true springtime showstopper. Each ingredient is chosen to create the perfect structure, flavor, and texture—work together in harmony to deliver that melt-in-your-mouth goodness we all crave.
- All-purpose flour
This pantry staple serves as the backbone of the cake, providing structure and body. Its moderate protein content strikes the ideal balance between tenderness and stability, so your coffee cake holds together without feeling dense.
- Baking powder
A gentle leavening agent that reacts when exposed to moisture and heat, helping the cake rise beautifully. It contributes to that fluffy, tender crumb we love in a coffee cake.
- Baking soda
Working in tandem with the acidic sour cream, baking soda brings additional lift and encourages browning for a golden crust. It also helps neutralize excess tartness from the rhubarb.
- Salt
A small pinch of salt balances the sweetness and accentuates the other flavors, making each bite taste more vibrant and well-rounded.
- Unsalted butter
Offers richness and depth of flavor, ensuring the crumb stays moist and tender. When creamed with sugar, it also creates air pockets that contribute to a light, fluffy texture.
- Granulated sugar
Provides sweetness while assisting in moisture retention and tender crumb formation. It helps the cake caramelize at the edges for that irresistible golden hue.
- Eggs
Act as binders, adding structure and moisture. Beating them in one at a time ensures they’re fully incorporated, keeping the batter smooth and stable.
- Vanilla extract
Infuses the cake with warm, aromatic notes. Just a splash elevates the entire flavor profile and ties all the ingredients together.
- Sour cream
The secret to an ultra-moist, tender crumb. Its acidity also reacts with the baking soda, giving the cake extra lift and a subtle tang.
- Rhubarb
Packed with bright, tart flavor that cuts through the sweetness of the cake. Chopped into small pieces, it disperses evenly to offer zing in every mouthful.
- Granulated sugar (topping)
Blends with brown sugar to create a crisp, sweet topping. It helps give that satisfying crunch when you take your first bite.
- Brown sugar
Adds a deeper, caramel-like sweetness to the streusel, complementing the rhubarb’s tartness and lending a richer flavor.
- Ground cinnamon
Wakes up your senses with warm, spicy notes in the streusel. It enhances both the cake and the topping, creating a cozy aroma.
- Chopped pecans (optional)
Introduce a delightful crunch and nutty flavor to the topping. Pecan pieces also offer a textural contrast that makes each bite extra interesting.
HOW TO MAKE RHUBARB SOUR CREAM COFFEE CAKE
Bringing together this tangy-sweet coffee cake is easier than you might think. With a few straightforward steps and a little bit of whisking, you’ll fill your kitchen with warm, inviting aromas. Let’s walk through the process for a flawless bake.
1. Preheat the oven and prepare the pan. Preheat your oven to 350°F (175°C) so it’s at the perfect temperature when your batter is ready. Grease a 9×13-inch baking dish thoroughly with butter or non-stick spray, or line it with parchment paper to ensure easy removal later.
2. Combine the dry ingredients. In a medium-sized bowl, whisk together the flour, baking powder, baking soda, and salt. This ensures even distribution of leavening agents and seasoning throughout the cake.
3. Cream butter and sugar. In a large mixing bowl, use a hand mixer or stand mixer to cream the softened butter and granulated sugar until the mixture is light and fluffy, about 3–4 minutes. This step incorporates air for a lighter crumb.
4. Incorporate eggs and vanilla. Add the eggs one at a time, beating well after each addition to maintain a smooth, emulsified batter. Stir in the vanilla extract until fully blended.
5. Alternate dry ingredients and sour cream. Gradually add the whisked dry ingredients to the butter-sugar-egg mixture, alternating with the sour cream. Start and end with the dry ingredients, mixing on low speed until just combined to avoid overmixing.
6. Fold in the rhubarb. Use a rubber spatula to gently fold in the chopped rhubarb until the pieces are evenly distributed throughout the batter without deflating it.
7. Transfer to the pan. Pour the batter into your prepared baking dish, spreading it evenly with a spatula so the surface is smooth and level.
8. Prepare the streusel topping. In a small bowl, stir together the granulated sugar, brown sugar, ground cinnamon, and chopped pecans (if using) until well combined.
9. Sprinkle the topping. Evenly distribute the streusel mixture across the top of the cake batter, gently pressing it down so it adheres.
10. Bake until golden. Place the pan in the preheated oven and bake for 40 to 45 minutes, or until a toothpick inserted into the cake’s center comes out clean and the top is golden brown.
11. Cool before slicing. Let the cake cool in the baking dish for about 10 minutes, then transfer it to a wire rack to cool completely. This prevents the streusel from sliding off when you slice.
SERVING SUGGESTIONS FOR RHUBARB SOUR CREAM COFFEE CAKE
Once you’ve baked this luscious coffee cake, the real fun begins—deciding how to serve it! Whether it’s part of a casual brunch, an afternoon tea, or a sweet ending to dinner, each serving suggestion below will make your Rhubarb Sour Cream Coffee Cake shine.
- Warm with a dollop of whipped cream
Serve a slice slightly warmed in the microwave (about 10 seconds) and top with a swirl of freshly whipped cream. The fluffy cream balances the tart rhubarb, and the warmth enhances the buttery streusel crunch.
- With a scoop of vanilla ice cream
Transform your coffee cake into an indulgent dessert by pairing it with a scoop of vanilla bean ice cream. As the ice cream melts over the cake, it creates a luxurious, creamy sauce.
- Drizzled with a simple glaze
Whisk together powdered sugar and a splash of milk or lemon juice for a thin citrus glaze. Drizzle it over cooled slices to add a glossy finish and an extra hint of sweetness or tang.
- Alongside afternoon tea
Plate the cake with a pot of hot Earl Grey or herbal tea for a charming tea-time presentation. Garnish your platter with fresh mint sprigs or edible flowers for an elegant, inviting touch.
HOW TO STORE RHUBARB SOUR CREAM COFFEE CAKE
Maintaining the fresh, tender texture and bright flavors of this coffee cake requires proper storage. Whether you’re prepping ahead of time or saving leftovers, these methods will keep your cake tasting its best for days.
- Store at room temperature in an airtight container for up to 2 days. Ensure the cake has cooled completely before sealing, and place a piece of parchment between layers to prevent sticking.
- Refrigerate for up to 5 days to extend shelf life. Wrap the cooled cake tightly in plastic wrap, then slide it into an airtight container. Bring slices to room temperature or warm briefly before serving.
- Freeze individual slices for up to 3 months. Wrap each slice in plastic wrap, then aluminum foil. Thaw overnight in the refrigerator or at room temperature, and reheat gently if desired.
- Store the streusel topping separately (if extra) in a sealed bag at room temperature. When ready to serve, sprinkle on top of warmed cake to restore that fresh-baked crunch.
CONCLUSION
Baking this Rhubarb Sour Cream Coffee Cake is more than just following a recipe—it’s an invitation to celebrate spring’s vibrant flavors in the most comforting way. You’ve learned how the tangy rhubarb partners with creamy sour cream for a tender crumb and how a buttery, cinnamon-laced streusel elevates every bite. From gathering your ingredients to the satisfying moment you remove the golden coffee cake from the oven, this recipe walks you through each step with approachable, friendly guidance. Feel free to print this article and save it in your recipe binder for easy reference whenever you’re craving a sweet-and-tart breakfast treat, brunch star, or delightful dessert.
Don’t forget about those helpful frequently asked questions below where you can find tips on ingredient substitutions, troubleshooting common baking woes, and more. If you give this cake a try, I’d love to hear how it turned out! Share your baking stories, ask any questions, or leave feedback in the comments. Whether you made it for a cozy family breakfast or a big spring gathering, your experiences help everyone in our baking community learn and grow—one delicious slice at a time.

Rhubarb Sour Cream Coffee Cake
Description
Enjoy the delightful tang of rhubarb paired with a sweet cinnamon streusel in this incredibly moist coffee cake. Sour cream ensures a tender crumb. A truly satisfying bake!
Ingredients
Instructions
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Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish or line it with parchment paper for easy removal.
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In a medium-sized bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
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In a large mixing bowl, cream the softened butter and granulated sugar together until light and fluffy.
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Add the eggs one at a time, beating well after each addition. Mix in the vanilla extract.
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Gradually add the dry ingredients to the creamed mixture, alternating with the sour cream. Begin and end with the dry ingredients.
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Once the batter is smooth, gently fold in the chopped rhubarb until evenly distributed.
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Pour the batter into the prepared baking dish, spreading it evenly with a spatula.
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In a small bowl, combine the topping ingredients: granulated sugar, brown sugar, cinnamon, and pecans (if using).
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Sprinkle the topping mixture evenly over the batter in the baking dish.
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Bake in the preheated oven for 40 to 45 minutes or until a toothpick inserted into the center of the cake comes out clean.
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Allow the cake to cool in the dish for about 10 minutes before transferring it to a wire rack to cool completely.
Note
- Rhubarb provides a unique tartness that complements the sweetness of the cake; adjust sugar to taste preference if desired.
- Sour cream adds a moist and tender crumb to the cake, enhancing its texture.
- This cake can be made with frozen rhubarb; just make sure to thaw and drain it well first.
- Serve warm or at room temperature, as a dessert or coffee pairing.
- Feel free to experiment with different nuts or omit them for a nut-free version.