There’s something enchanting about the first bite of a homemade cake, especially when it’s a delightful Old Fashioned Rhubarb Cake. Just the thought of the tangy rhubarb mingling with the sweet notes of brown sugar and cinnamon brings back memories of family gatherings in the kitchen, where stories and laughter filled the air.
If you’ve found yourself tired of takeout and craving something homemade, this recipe is the answer. It’s not just easy to whip up—taking just over an hour from prep to plate—but the result is a scrumptious cake that’s sure to be the star of your next dessert spread. Picture this: a slice of warm cake, the tender crumb paired with hints of vanilla and a bite of tart rhubarb, perfectly enhanced by the cozy sweetness of cinnamon.
So, gather your ingredients and let’s create a dessert that brings joy to your table and a smile to everyone who tastes it. Your new favorite Rhubarb Cake recipe awaits!
Why is this rhubarb cake recipe a must-try?
Simplicity in every step: This recipe features easy-to-follow instructions perfect for bakers of any skill level.
Unique flavor profile: The tartness of rhubarb combined with the sweetness of brown sugar delivers a delightful contrast.
Time-efficient: Ready in just over an hour, it fits perfectly into any busy schedule.
Nostalgic touches: The warm aroma of cinnamon evokes memories of cherished family moments spent in the kitchen.
Crowd-pleaser: Serve it at gatherings, and watch as it disappears—everyone will be begging for the recipe!
If you’re also looking for a classic baked good, check out our easy homemade cake recipes!
Rhubarb Cake Ingredients
• Get ready to create a delightful dessert with these simple ingredients!
For the Cake Batter
- Salted butter – adds rich flavor and moisture to your cake.
- Brown sugar – contributes a deeper sweetness and hint of molasses.
- Granulated sugar – balances the flavors to perfection.
- Large egg – provides structure and stability to the cake.
- Buttermilk – keeps the crumb tender and adds a lovely tang.
- Vanilla – infuses a warm, comforting aroma throughout the cake.
- All-purpose flour – the base that holds everything together.
- Baking soda – helps the cake rise for a fluffy texture.
- Salt – enhances all the flavors for a well-rounded taste.
- Chopped rhubarb – the star of this rhubarb cake recipe, adding a beautiful tartness.
For the Topping
- Granulated sugar – sweetens the topping and provides a delightful crunch.
- Cinnamon – brings warmth and spice, complementing the tangy rhubarb beautifully.
How to Make Rhubarb Cake
Preheat your oven to 350°F (175°C), then grease a 9×9 baking pan and set it aside. This initial step sets the stage for a perfectly baked cake every time.
Cream together the softened salted butter, brown sugar, and granulated sugar in a medium mixing bowl until light and fluffy. This will create a rich base for your cake.
Beat in the large egg until fully incorporated, ensuring a smooth blend of flavors that will provide structure to your cake’s texture.
Stir in the buttermilk and vanilla extract until the mixture is uniform. This adds moisture and a lovely warmth to the overall flavor.
Mix in the dry ingredients (all-purpose flour, baking soda, salt) slowly until just combined. It’s okay if a few lumps remain—overmixing can lead to a dense cake!
Fold in the chopped rhubarb gently, distributing it evenly throughout the batter. This will give your cake that delightful tartness in every bite.
Transfer the cake batter to the prepared pan, using a spatula to spread it into an even layer. Make sure it’s well-distributed for even baking.
Combine the granulated sugar and cinnamon together, then sprinkle this mixture generously over the top of the cake for a sweet and aromatic finish.
Bake for 28-32 minutes, or until a toothpick inserted into the center comes out clean. You’ll know it’s done when your kitchen is filled with an irresistible aroma!
Cool the cake in the pan on a wire rack for at least 10 minutes before serving. This allows the flavors to set and makes it easier to slice.
Optional: Dust with powdered sugar or serve with whipped cream for an added treat!
Exact quantities are listed in the recipe card below.
Make Ahead Options
These delightful Rhubarb Cake recipe components are perfect for meal prep enthusiasts! You can prepare the cake batter up to 24 hours in advance and refrigerate it in an airtight container to keep the freshness locked in. If you’re short on time, simply chop the rhubarb and mix it with the sugar and cinnamon the night before, then store it in the fridge. When you’re ready to bake, transfer the batter into your prepared pan, fold in the rhubarb mixture, sprinkle the cinnamon topping, and bake as directed. This way, you’ll enjoy a warm, tantalizing cake with minimal effort on busy weeknights!
Rhubarb Cake Variations
Feel free to let your creativity shine with these delicious twists on your rhubarb cake!
Gluten-Free: Substitute all-purpose flour with a gluten-free blend, ensuring everyone can enjoy a slice of this delightful dessert. Just make sure the blend you choose is designed for baking!
Vegan: Replace the egg with a flax egg (1 tablespoon ground flaxseed mixed with 2.5 tablespoons of water) and use plant-based butter in place of regular butter. You’ll still get that lovely texture without the animal products.
Fruit Add-Ins: Toss in some diced strawberries or raspberries along with the rhubarb for a fruity fusion. The combination enhances both flavor and color, making your cake even more irresistible.
Nutty Crunch: Add ½ cup of chopped nuts, such as walnuts or pecans, to the batter for extra texture and a delightful crunch. Nuts bring a robust flavor that pairs beautifully with sweet and tart.
Coconut Twist: Incorporate shredded coconut into the batter for a tropical touch. This addition adds a lovely chewiness and brings a new level of flavor to the cake.
Spice It Up: Enhance the flavor with a pinch of nutmeg or cardamom to the cinnamon-sugar topping. These spices impart warmth and depth, creating a taste spectacle with each bite.
Lemon Zest: Grate a teaspoon of lemon zest into the batter to brighten the flavors. Lemon’s acidity works wonders in balancing the sweet and tangy notes of rhubarb.
Frosted Delight: Top your cooled cake with a simple cream cheese or vanilla frosting for a decadent finish. This creates a rich layer that complements the tartness of the rhubarb beautifully.
What to Serve with Old Fashioned Rhubarb Cake?
Indulging in a slice of warm cake sparks joy when paired with the right accompaniments, enhancing every delightful bite.
Whipped Cream: A cloud of freshly whipped cream adds a luxurious touch, balancing the cake’s tartness with creamy sweetness.
Vanilla Ice Cream: The classic duo! Creamy vanilla ice cream melts beautifully on warm cake, creating a divine mix of textures.
Fresh Berries: Raspberries or strawberries offer a burst of freshness, complementing the rhubarb’s tang while adding vibrant color to your plate.
Coffee: A steaming cup of coffee is the perfect companion, as its rich bitterness harmonizes with the cake’s sweet notes and enhances the overall experience.
Lemon Zest: A sprinkle of lemon zest brightens the flavors and adds a zesty twist, elevating the tartness of the rhubarb in each bite.
Almonds: Toasted slivers of almonds provide a delightful crunch that contrasts beautifully with the cake’s tender crumb.
Tea: A warm cup of herbal tea, especially chamomile or mint, creates a calming pairing, letting the rhubarb’s flavor shine without overpowering it.
Mix and match these delightful pairings to elevate your Old Fashioned Rhubarb Cake experience!
How to Store and Freeze Rhubarb Cake
Room Temperature: Allow the cake to cool completely before covering it with foil or placing it in an airtight container. It can stay fresh for up to 3 days.
Fridge: For longer storage, keep the cake covered in the refrigerator. It will maintain its best quality for up to a week.
Freezer: Freeze slices or the whole cake tightly wrapped in plastic wrap and then foil. It’s best consumed within 2–3 months, allowing you to savor this rhubarb cake recipe later on!
Reheating: To enjoy a warm slice, remove the desired portion from the fridge or freezer and reheat in the microwave for about 20 seconds or in an oven preheated to 350°F until warm.
Helpful Tricks for Rhubarb Cake
Fresh Rhubarb: Use freshly chopped rhubarb for the best flavor. Frozen rhubarb can release excess moisture, making the cake soggy.
Don’t Overmix: When combining the dry ingredients with the wet, mix just until combined. Overmixing can create a dense cake instead of a light rhubarb cake.
Check for Doneness: Use the toothpick test to check for doneness. If it comes out clean, your cake is ready; otherwise, bake a few minutes longer.
Cooling Time: Allow the cake to cool before cutting. This helps the texture firm up, making it easier to serve and ensuring more delicious first bites!
Enhance Flavors: For an extra layer of flavor, consider adding a splash of lemon juice to the batter. It complements the rhubarb beautifully in this delightful rhubarb cake recipe.
Old Fashioned Rhubarb Cake Recipe FAQs
What kind of rhubarb should I use?
Absolutely! For the best flavor and texture, choose firm, bright, and vibrant stalks of rhubarb without any dark spots or wilting. The stalks should feel crisp and juicy, indicating freshness. If you find any bits that look a bit soft or have brown patches, it’s best to trim those away.
How should I store leftover rhubarb cake?
Very good question! Allow the cake to cool completely before storing. You can keep it at room temperature in an airtight container for up to 3 days. If you want to keep it for longer, refrigerate it (also covered) for up to a week. Just remember to give it a moment to come to room temperature for the best taste!
Can I freeze rhubarb cake?
Absolutely! To freeze your Old Fashioned Rhubarb Cake, slice it first for easy serving later. Wrap each piece in plastic wrap tightly, then place them in a freezer-safe bag or container. It will maintain its best qualities in the freezer for up to 2–3 months. When you’re ready to enjoy, thaw overnight in the fridge or at room temperature for a few hours.
What should I do if my cake is too dense?
I often find that baking is all about technique! A dense cake could be due to overmixing the batter. Make sure you mix just until combined when adding dry ingredients to wet. If you overmix, it can break down the batter structure, leading to a heavy texture. Also, check your baking powder or baking soda for freshness.
Are there any dietary considerations for this rhubarb cake recipe?
Very much so! This cake contains gluten and dairy, so it’s important to consider those who have allergies or dietary restrictions. If you need a gluten-free version, try substituting all-purpose flour with a 1:1 gluten-free baking flour. For a dairy-free option, you can replace the buttermilk with a non-dairy yogurt or milk mixed with a bit of vinegar for acidity. Also, consider that rhubarb isn’t pet-friendly, so be sure to keep it away from your furry friends!
Deliciously Simple Rhubarb Cake Recipe to Savor Today
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C), then grease a 9x9 baking pan and set it aside.
- Cream together the softened salted butter, brown sugar, and granulated sugar in a medium mixing bowl until light and fluffy.
- Beat in the large egg until fully incorporated.
- Stir in the buttermilk and vanilla extract until the mixture is uniform.
- Mix in the dry ingredients (all-purpose flour, baking soda, salt) slowly until just combined.
- Fold in the chopped rhubarb gently.
- Transfer the cake batter to the prepared pan, using a spatula to spread it into an even layer.
- Combine the granulated sugar and cinnamon, then sprinkle this mixture over the top of the cake.
- Bake for 28-32 minutes, or until a toothpick inserted into the center comes out clean.
- Cool the cake in the pan on a wire rack for at least 10 minutes before serving.