The Ultimate Guide to Baking Rhubarb Coffee Cake

Rhubarb coffee cake is a delightful combination of tart rhubarb, sweet and tender cake, and a crunchy streusel topping. This unique flavor pairing creates a perfect balance between tangy and sweet, making it an ideal treat for breakfast, brunch, or afternoon coffee.

In this guide, you’ll find a detailed, research-backed recipe, expert tips to ensure perfect results, creative variations, and the best coffee pairings from Bazan Coffee to enhance your experience.

Why You’ll Love This Rhubarb Coffee Cake Recipe

  • Unique Flavor: The natural tartness of rhubarb contrasts beautifully with the sweetness of the cake.

  • Moist and Tender: Thanks to sour cream, this cake has an incredibly soft texture.

  • Perfect for Any Occasion: Whether for breakfast or an afternoon treat, this cake pairs wonderfully with coffee.

  • Versatile: You can easily customize this recipe by adding different fruits, nuts, or spices.

Why You’ll Love This Rhubarb Coffee Cake Recipe

Ingredients for the Perfect Rhubarb Coffee Cake

For the Cake Batter:

  • 2 cups all-purpose flour

  • 1 teaspoon baking powder

  • 1/2 teaspoon baking soda

  • 1/2 teaspoon salt

  • 1/2 cup (1 stick) unsalted butter, softened

  • 1 1/2 cups granulated sugar

  • 2 large eggs

  • 1 teaspoon vanilla extract

  • 1 cup sour cream

  • 2 cups fresh rhubarb, chopped

For the Streusel Topping:

  • 1/2 cup packed brown sugar

  • 1/2 cup all-purpose flour

  • 1 teaspoon ground cinnamon

  • 1/4 cup (1/2 stick) cold unsalted butter, cubed

Step-by-Step Instructions

Step 1: Preheat the Oven

  • Preheat your oven to 350°F (175°C).

  • Grease and flour a 9x13-inch baking dish or line it with parchment paper.

Step 2: Make the Streusel Topping

  1. In a medium bowl, mix brown sugar, flour, and cinnamon.

  2. Cut in cold butter using a pastry cutter or fork until the mixture forms coarse crumbs.

  3. Chill the streusel in the refrigerator while preparing the batter.

Step 3: Prepare the Cake Batter

  1. In a medium bowl, whisk together flour, baking powder, baking soda, and salt.

  2. In a large bowl, cream together butter and sugar until light and fluffy.

  3. Add eggs one at a time, beating well after each addition.

  4. Mix in vanilla extract.

  5. Alternately add the dry ingredients and sour cream to the butter mixture, beginning and ending with the dry ingredients.

  6. Gently fold in the chopped rhubarb.

Step 4: Assemble and Bake

  1. Spread the batter evenly into the prepared baking dish.

  2. Sprinkle the streusel topping evenly over the batter.

  3. Bake for 45-50 minutes, or until a toothpick inserted into the center comes out clean.

  4. Let the cake cool completely before serving.

Creative Variations of Rhubarb Coffee Cake

1. Rhubarb Strawberry Coffee Cake

  • Add 1 cup of chopped fresh strawberries along with rhubarb for a fruity twist.

  • The sweetness of strawberries balances the tartness of rhubarb, making this a perfect summer dessert.

2. Rhubarb Almond Coffee Cake

  • Add 1/2 cup sliced almonds to the streusel topping for extra crunch.

  • Almonds bring a nutty depth of flavor that complements the brightness of rhubarb.

3. Spiced Rhubarb Coffee Cake

  • Add 1 teaspoon ground ginger and 1/2 teaspoon nutmeg to the batter.

  • The warm spices enhance the tart rhubarb and create a cozy, comforting cake.

Expert Tips for the Perfect Rhubarb Coffee Cake

  • Use Fresh Rhubarb for the Best Flavor

    • If using frozen rhubarb, thaw and drain excess moisture before adding it to the batter.

  • Keep the Streusel Cold

    • Chilling the streusel before baking helps maintain a crumbly, crunchy texture.

  • Avoid Overmixing the Batter

    • Stir just until combined to prevent the cake from becoming dense.

  • Check for Doneness Early

    • Since oven temperatures can vary, start checking the cake at the 40-minute mark.

Expert Tips for the Perfect Rhubarb Coffee Cake

Frequently Asked Questions (FAQ)

Q: Can I use other fruits instead of rhubarb?

Yes! Strawberries, apples, or raspberries work well as substitutes, but they will slightly alter the tartness and moisture of the cake.

Q: How should I store leftover rhubarb coffee cake?

  • Store in an airtight container at room temperature for up to 3 days.

  • Refrigerate for up to a week or freeze for up to 2 months.

Q: Can I make this cake gluten-free?

Yes! Use a gluten-free baking mix in place of regular flour. Ensure all other ingredients are gluten-free.

Q: Can I add a glaze to this cake?

Absolutely! A simple vanilla glaze made from powdered sugar and milk adds extra sweetness and shine.

Perfect Coffee Pairings from Bazan Coffee

To elevate your rhubarb coffee cake experience, pair it with high-quality specialty coffee that complements its flavors.

1. Fine Robusta – Krong Nang

  • Grown at: 650m in Krong Nang, Dak Lak, Vietnam.

  • Processing: 72-hour natural anaerobic fermentation.

  • Tasting Notes: Caramelized sweetness, honey-like smoothness, bold body.

  • Why it Works: The rich, full-bodied texture balances the tartness of rhubarb while enhancing the buttery streusel topping.

2. Specialty Arabica – Cau Dat

  • Grown at: 1,550m in Cau Dat, Da Lat, Vietnam.

  • Processing: Fully washed.

  • Tasting Notes: Bright acidity, caramel, floral notes, subtle spice.

  • Why it Works: A lighter coffee with floral acidity that enhances the freshness of rhubarb while maintaining a smooth balance.

3. Special Vietnam Blend

  • Blend of: High-altitude Arabica + Fine Robusta.

  • Tasting Notes: Smooth, well-balanced, natural sweetness, hints of pineapple and caramel.

  • Why it Works: Perfectly balances boldness and brightness, making it a versatile pairing for any coffee cake variation.

Find Your Perfect Coffee for Rhubarb Coffee Cake

Your homemade rhubarb coffee cake deserves a premium coffee pairing.

Shop Bazan Coffee today and experience the perfect coffee and cake pairing!

Find Your Perfect Coffee for Rhubarb Coffee Cake