There’s something beautifully nostalgic about waking up to the aroma of a warm, crumb-topped cake with tart rhubarb baked into its golden layers. This rhubarb breakfast cake is more than just a morning treat—it’s a memory in the making. Whether you’re a seasoned home baker or just getting started, this easy, flavor-packed recipe will win you over with its moist crumb, balanced sweetness, and that signature tang from fresh rhubarb.
What sets this cake apart? Unlike many coffee cakes or muffins that lean on predictable berry blends, this one lets rhubarb shine all on its own. And while strawberries may be a classic pairing, the truth is rhubarb has enough personality to carry this dish solo. Let’s dive in and create something comforting, rustic, and unforgettable.
What Makes Rhubarb Breakfast Cake Perfect Ingredient?
Rhubarb might look like celery’s quirky cousin, but it brings a bold, tart punch to sweet dishes—and it’s packed with nutrients too.
Definition List: Rhubarb Basics
Rhubarb
A spring vegetable often treated as fruit in recipes due to its sour flavor. Only the stalks are edible—leaves are toxic.
Why Use Rhubarb in Cakes?
Its sharpness balances out sweetness, adds moisture, and turns soft and jammy when baked—perfect for a breakfast cake.
Is Rhubarb Healthy?
Yes! Rhubarb is low in calories and contains:
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Vitamin K (bone health)
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Fiber (digestion)
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Antioxidants (anti-inflammatory)

Where My Competitor Fell Short
Before we jump into baking, let’s cover a few things that were missing or brushed over in the original article:
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Storage tips lacked specifics – Freezing and refrigeration methods were vague.
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No nutritional breakdown per serving size – Especially important for health-conscious eaters.
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Serving suggestions weren’t diverse – Limited to yogurt or ice cream.
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Ingredient substitutions – Readers with dietary needs weren’t fully guided (e.g., gluten-free options or dairy alternatives).
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No explanation of rhubarb prep or when it’s in season – A missed chance to educate and connect with readers.
We’re going to fix that. You’ll get a step-by-step, beginner-friendly guide, plus customization tips, detailed data, and a warm, story-based tone that connects.
Gather These Ingredients for Rhubarb Breakfast Cake
This recipe uses pantry staples with a few thoughtful additions that make all the difference.
Definition List: Core Ingredients
Fresh Rhubarb
Washed, trimmed, and chopped into ½-inch pieces. Avoid soft or wilted stalks.
Cornmeal
Adds a delightful grit and rustic texture—don’t skip it!
Buttermilk or Substitute
Essential for moisture and tender crumb. No buttermilk? Use milk with lemon juice.
Plain Yogurt or Sour Cream
Adds depth, creaminess, and that bakery-style moistness.
Color Circle Ingredient List:
● For the Crumble Topping
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½ cup all-purpose flour
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½ cup fine cornmeal
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¼ cup white sugar
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2 tablespoons brown sugar
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½ teaspoon baking powder
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¼ teaspoon salt
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3 tablespoons cold butter (cubed)
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1 large egg (lightly beaten)
● For the Cake Batter
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½ cup butter, softened
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1 cup all-purpose flour
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1⅓ cups cornmeal
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¾ cup sugar
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2 teaspoons baking powder
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1 teaspoon salt
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1 teaspoon cinnamon
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¼ teaspoon ground ginger
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1 cup buttermilk
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½ cup yogurt or sour cream
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4 egg yolks
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5 cups rhubarb (chopped)
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Optional: up to 2 cups strawberries or blueberries
Ingredient Swap Suggestions
Ingredient | Swap Option | Notes |
---|---|---|
All-purpose flour | Gluten-free 1:1 flour blend | For celiac or gluten-sensitive eaters |
Butter | Coconut oil (solid state) | Adds slight coconut note |
Yogurt | Plant-based yogurt (unsweetened) | For dairy-free variation |
Buttermilk | Almond milk + lemon juice | Let sit 5 min to curdle slightly |

Equipment You’ll Need
You don’t need a fancy kitchen setup—just the basics will do. But a few tools will make the process smoother.
Color Circle Checklist
● 13×9-inch baking pan
● 3 mixing bowls (for topping, dry, and wet)
● Measuring cups and spoons
● Stand mixer or hand mixer
● Pastry cutter or fork
● Rubber spatula
● Cooling rack
● Whisk
Optional
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Two loaf pans (if making quick bread version)
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Muffin tin (for individual portions)
Pro Tips Before You Bake
Understanding a few key techniques can help your cake turn out bakery-perfect every time.
Definition List: Helpful Techniques
Creaming Butter and Sugar
Beat together until pale and fluffy. This traps air, making your cake lighter.
Folding
Gently incorporate ingredients with a spatula to keep the batter airy.
Doneness Test
Insert a toothpick into the center—if it comes out clean or with a few moist crumbs, it’s done.
Room Temp Ingredients
Eggs, butter, and dairy should be room temperature. They combine more evenly and create better texture.
How to Make Rhubarb Breakfast Cake Step by Step
This recipe is simple enough for a weekday bake but elegant enough to serve to guests. Follow these steps, and you’ll have a soft, tangy, crumb-topped cake that wins everyone over.
Step-by-Step Instructions
Color Circle Guide
● Step 1: Prep the Crumble Topping
In a medium bowl, whisk together ½ cup flour, ½ cup cornmeal, ¼ cup white sugar, 2 tbsp brown sugar, ½ tsp baking powder, and ¼ tsp salt.
Cut in 3 tbsp cold, cubed butter using a pastry cutter or your fingers until you get pea-sized crumbs.
Add 1 beaten egg and gently mix until the crumble comes together.
Cover and chill while you prep the cake batter.
● Step 2: Prepare the Rhubarb Mixture
In a separate bowl, toss 5 cups chopped rhubarb with ¼ cup sugar, 1 tsp cinnamon, and ¼ tsp ground ginger.
Let this sit while you prep the rest—this maceration brings out the juice and softens the rhubarb.
● Step 3: Preheat and Grease
Preheat oven to 350°F (175°C).
Grease and lightly flour a 13×9-inch pan or line it with parchment paper for easy removal.
● Step 4: Mix the Dry Ingredients
In a medium bowl, combine 1 cup flour, 1⅓ cups cornmeal, 2 tsp baking powder, and 1 tsp salt.
Whisk well and set aside.
● Step 5: Mix the Wet Ingredients
In a small bowl, whisk together 1 cup buttermilk and ½ cup yogurt (or sour cream).
Let this sit for 5 minutes to activate the buttermilk.
● Step 6: Cream the Butter and Sugar
In a large bowl or stand mixer, beat ½ cup softened butter with ¾ cup sugar until fluffy and pale (about 3 minutes).
Add 4 egg yolks, one at a time, beating well after each.
● Step 7: Combine Dry and Wet
Reduce mixer speed to low.
Alternate adding dry ingredients and buttermilk mixture, beginning and ending with the dry mix.
Mix just until combined—don’t overwork the batter.
● Step 8: Add Rhubarb
Fold in the rhubarb mixture using a rubber spatula. The batter will be thick, almost like muffin batter.
● Step 9: Spread and Top
Spread batter evenly into the greased pan.
Sprinkle the chilled crumble topping generously over the batter.
● Step 10: Bake
Bake for 55–65 minutes, or until a toothpick inserted in the center comes out clean.
Edges should be golden, and the middle should feel springy.
● Step 11: Cool and Slice
Cool in pan on a wire rack for at least 20 minutes before slicing.
Serve warm or at room temperature.

Expert Storage Tips (Including Freezing)
This breakfast cake stores incredibly well and tastes just as good the next day—maybe even better. Here’s how to store it for maximum freshness.
Color Circle Storage Tips
● Room Temperature
Store in an airtight container for up to 2 days. Best if eaten within 24 hours.
● Refrigerator
Wrap individual slices or cover the whole pan tightly.
Keeps for up to 5 days. Reheat in the microwave or toaster oven before serving.
● Freezer
Slice and wrap tightly in plastic wrap, then place in a freezer-safe bag.
Can be frozen for up to 2 months.
To reheat, let thaw in fridge overnight, then warm gently in oven at 300°F for 10–12 minutes.
Make-Ahead Tips
● Crumble topping can be made and refrigerated up to 3 days ahead.
● Rhubarb can be chopped and pre-mixed with sugar and spices the night before.
● Batter can be assembled and stored covered in the fridge for up to 12 hours. Add crumble topping just before baking.
Creative Ways to Serve Rhubarb Breakfast Cake
This cake isn’t just for breakfast—it’s versatile and easily dresses up or down depending on the occasion. Here are some delightful ways to serve it.
Definition List: Serving Options
For Breakfast
Pair with Greek yogurt, crème fraîche, or plain whipped cream.
For Dessert
Serve warm with vanilla ice cream, rhubarb compote, or a drizzle of honey.
For Snacks or Picnics
Slice into squares, wrap in wax paper, and pack in a lunchbox or picnic basket.
Color Circle Pairing Suggestions
● Hot coffee or espresso
● Dandelion root tea or chai
● Cold almond milk or oat milk
● Homemade kombucha or kefir
● Sparkling water with lemon and mint
Entertaining Tip: Cut the cake into bite-size cubes, skewer them with a toothpick, and serve as part of a brunch buffet alongside mini quiches or fruit salad.
Frequently Asked Questions About Rhubarb Breakfast Cake
Using rhubarb isn’t complicated, but if it’s your first time, these questions might help clear things up.
Definition List: Common Rhubarb Questions
When is rhubarb in season?
Rhubarb is a spring vegetable. In most regions, it’s harvested from April through June, sometimes into July depending on the climate.
Do I need to peel rhubarb before using it?
Nope! Just trim the ends and remove any coarse strings if the stalks are very thick or old. Young rhubarb is tender and needs no peeling.
Can I use frozen rhubarb in this recipe?
Absolutely. Measure while frozen, then thaw and drain off any excess liquid before using to avoid soggy batter.
Why are rhubarb leaves toxic?
They contain oxalic acid and anthraquinone glycosides, which are harmful in large quantities. Always discard the leaves.
How do I make this recipe gluten-free?
Use a 1:1 gluten-free baking blend for both the cake and the crumble. Avoid almond flour alone, as it changes texture and moisture.
Delicious Recipe Variations
Once you’ve nailed the base recipe, try switching it up! Here are a few tested variations that still honor the original flavor while keeping things exciting.
Color Circle Variations
● Strawberry Rhubarb Breakfast Cake
Swap 1–2 cups of rhubarb for chopped strawberries. A classic sweet-tart combo.
● Lemon Glazed Rhubarb Cake
Drizzle a simple glaze made with lemon juice and powdered sugar over the cooled cake.
● Rhubarb Almond Cake
Fold ½ cup sliced almonds into the crumble topping or scatter on top before baking.
● Maple Rhubarb Cake
Replace half the sugar in the batter with maple syrup for a deeper, earthy flavor.
● Mini Rhubarb Muffin Cakes
Use a muffin tin instead of a baking dish. Reduce baking time to 25–30 minutes.
Flavor Tip: For extra zing, add a teaspoon of orange zest or vanilla extract to the batter.
Troubleshooting and Expert Advice
Even the best recipes can go sideways. Here’s how to fix common issues before they ruin your bake.
Problem | Cause | Fix |
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Cake is soggy in the middle | Too much liquid from rhubarb | Drain frozen rhubarb well; avoid overmixing batter |
Cake is too dry | Overbaked or not enough fat | Check oven temp; don’t skimp on butter or yogurt |
Crumb topping sinks | Batter too thin or not chilled topping | Ensure topping is cold and batter thick |
Cake stuck to pan | Didn’t grease or flour the pan properly | Use parchment paper or a well-greased nonstick pan |
Bitter aftertaste | Accidentally included rhubarb leaves | Double-check that only stalks are used |
Nutrition Information
Here’s a quick snapshot of what’s in one serving (based on a 20-slice yield):
Nutrient | Amount Per Serving |
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Calories | 221 kcal |
Carbohydrates | 31 g |
Sugar | 13 g |
Protein | 5 g |
Fat | 9 g |
Saturated Fat | 5 g |
Fiber | 2 g |
Sodium | 280 mg |
Cholesterol | 56 mg |
Vitamin C | 2 mg |
Calcium | 89 mg |
Iron | 1 mg |
Note: These values are approximate and depend on brands and substitutions used.

Final Thoughts and Seasonal Inspiration Rhubarb Breakfast Cake
There’s a reason this rhubarb breakfast cake is a recipe that people come back to year after year. It’s simple, comforting, and makes the most of an ingredient that feels like a rite of spring. Whether you’re harvesting stalks from your garden or grabbing a bunch at the farmer’s market, baking with rhubarb connects you to the rhythm of the seasons.
Let this cake be your go-to recipe when the first pink stalks appear. Serve it warm to family on slow mornings, bring it to brunch with friends, or freeze a few slices for those days when you need a bite of sunshine.
And once rhubarb’s gone? Try the same base recipe with blueberries, peaches, or apples. The cake itself is flexible, foolproof, and always welcome on the table.
Rhubarb Breakfast Cake Recipe
Ingredients
● Crumble Topping
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½ cup all-purpose flour
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½ cup fine cornmeal
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¼ cup white sugar
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2 tablespoons brown sugar
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½ teaspoon baking powder
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¼ teaspoon salt
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3 tablespoons cold butter, cubed
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1 large egg, lightly beaten
● Cake Batter
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½ cup unsalted butter, softened
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¾ cup sugar
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4 large egg yolks
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1 cup all-purpose flour
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1⅓ cups cornmeal
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2 teaspoons baking powder
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1 teaspoon salt
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1 teaspoon cinnamon
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¼ teaspoon ground ginger
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1 cup buttermilk
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½ cup plain yogurt or sour cream
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5 cups rhubarb, chopped into ½-inch pieces
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Optional: Up to 2 cups strawberries or blueberries
Instructions
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Make the Crumble
In a medium bowl, whisk flour, cornmeal, sugars, baking powder, and salt.
Cut in butter until mixture forms pea-sized crumbs.
Add beaten egg and gently mix. Chill until ready to use. -
Prepare Rhubarb Mix
In another bowl, toss chopped rhubarb with ¼ cup sugar, cinnamon, and ginger. Let sit. -
Preheat Oven
Set oven to 350°F (175°C). Grease and flour a 13×9-inch baking pan. -
Combine Dry Ingredients
Whisk flour, cornmeal, baking powder, and salt in a medium bowl. Set aside. -
Mix Wet Ingredients
Whisk buttermilk and yogurt in a separate small bowl. Let rest 5 minutes. -
Cream Butter and Sugar
Beat softened butter with sugar until pale and fluffy. Add yolks one at a time, mixing after each. -
Combine All Components
Alternate adding dry mix and buttermilk mixture to the butter mixture. Mix just until combined.
Fold in the rhubarb mixture. -
Bake
Pour batter into the prepared pan and spread evenly.
Sprinkle chilled crumble topping over the batter.
Bake for 55–65 minutes, or until a toothpick inserted in the center comes out clean. -
Cool and Serve
Cool in the pan for at least 20 minutes before slicing. Serve warm or at room temperature.
Notes
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Make Ahead: Crumble can be prepared up to 3 days ahead and stored in the fridge.
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Use Frozen Rhubarb: Thaw and drain well before adding to the batter.
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Gluten-Free Option: Use a 1:1 gluten-free flour substitute.
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Dairy-Free Swaps: Substitute butter with coconut oil, and yogurt with plant-based yogurt.
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Optional Add-ins: Try almonds, lemon zest, or vanilla extract for flavor variety.
Nutritional Facts
(Per Serving – based on 20 servings)
Nutrient | Amount |
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Calories | 221 kcal |
Carbohydrates | 31 g |
Sugar | 13 g |
Protein | 5 g |
Fat | 9 g |
Saturated Fat | 5 g |
Fiber | 2 g |
Sodium | 280 mg |
Cholesterol | 56 mg |
Vitamin C | 2 mg |
Calcium | 89 mg |
Iron | 1 mg |
Recipe Info
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Prep Time: 15 minutes
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Cook Time: 60 minutes
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Total Time: 1 hour 15 minutes
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Method: Baking
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Cuisine: American
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Servings: 20
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Calories: 221 kcal per serving
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Yield: One 13×9-inch cake