As the first hints of spring peek through the winter gloom, I find myself reminiscing about my grandmother's Norwegian Rhubarb Cake. The smell of sweet, tangy rhubarb mingling with the warm, buttery crumble fills the kitchen, making it feel like a warm hug. This cake is special not just for its delightful texture and flavor, but also for the memories of family gatherings where every slice evokes laughter and love. It's an easy, comforting dessert that anyone can whip up to share sweet moments with loved ones.
What Is Norwegian Rhubarb Cake?
Norwegian Rhubarb Cake is a delightful dessert that features a moist base filled with tart rhubarb, topped with a crunchy crumble. This easy-to-make cake is perfect for bringing a taste of spring into your kitchen, combining sweet and tangy flavors in every bite. It's a wonderful treat for gatherings or simply to enjoy at home.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 60 minutes
- Servings: 8 people
Why You'll Love Norwegian Rhubarb Cake
- Quick Preparation: With just 20 minutes of prep time, this cake can be in the oven before you know it.
- Simple Ingredients: Made with common pantry staples, it's easy to whip up without any fuss.
- Beginner-Friendly: Even novice bakers can succeed with this straightforward recipe.
- Perfect for Gatherings: This cake is a hit at family gatherings, potlucks, or holiday celebrations.
- Make-Ahead Convenience: Bake it in advance and enjoy it fresh throughout the week.
Ingredients You'll Need
- 4 cups rhubarb, chopped into 1-inch pieces (Fresh is best, but frozen rhubarb works too; just thaw and drain excess moisture.)
- 1 ¼ cups granulated sugar, divided (Use less sugar if you prefer a tarter taste.)
- 1 ½ cups all-purpose flour (For a gluten-free option, substitute with a 1:1 baking blend.)
- 1 ½ teaspoons baking powder (Ensure it's fresh for best results.)
- ¼ teaspoon salt (Balances sweetness; don't skip it!)
- ½ cup unsalted butter, softened (For a dairy-free option, use coconut oil or vegan butter.)
- 2 large eggs (For an egg-free version, substitute with flax eggs or applesauce.)
- 1 teaspoon vanilla extract (Enhances the flavor; using pure vanilla extract is recommended.)
- ½ cup sour cream (Greek yogurt can be a great substitute.)
- ½ cup all-purpose flour (For the crumble topping; ensure it's the same type as the cake.)
- ½ cup rolled oats (Old-fashioned oats work best for texture.)
- ½ cup brown sugar, packed (Light or dark brown sugar can be used based on preference.)
- ¼ teaspoon ground cinnamon (For added warmth and flavor.)
- ¼ teaspoon salt (Just like in the cake, it helps balance the sweetness.)
- ½ cup unsalted butter, cold and diced (Keep it chilled until mixing for a crumbly topping.)
Step-by-Step Instructions
Preparing the Ingredients
- Preheat the oven to 350°F (175°C) and grease a baking dish to prevent sticking.
- In a mixing bowl, combine the chopped rhubarb with 1 cup of granulated sugar. Stir gently and let it sit for about 10 minutes. This will draw out the moisture and sweetness of the rhubarb.
- While the rhubarb is resting, measure out your flour, baking powder, and salt in another bowl. Whisk together to ensure even distribution.
Mixing the Batter
- In a separate large bowl, cream together the softened butter and the remaining ¼ cup of sugar until light and fluffy. This should take about 2-3 minutes.
- Add the eggs and vanilla extract to the butter mixture, mixing well until fully incorporated.
- Stir in the sour cream, blending it smoothly into the batter.
- Gradually add the dry ingredient mixture to the wet ingredients. Mix just until combined; be careful not to overmix. Fold in the prepared rhubarb gently, ensuring it's evenly distributed without breaking it down too much.
Assembling the Cake
- Pour the batter into the prepared baking dish, spreading it evenly with a spatula.
- To prepare the crumble topping, combine the flour, rolled oats, brown sugar, cinnamon, and salt in a bowl.
- Cut in the cold, diced butter using a fork or pastry cutter until the mixture resembles coarse crumbs. This step is crucial for getting that delightful crumble texture.
- Sprinkle the crumble topping evenly over the batter in the baking dish, creating a nice layer of crunch.
Baking the Cake
- Bake the cake in the preheated oven for about 40 minutes, or until it turns golden brown and a toothpick inserted in the center comes out clean.
- Once baked, remove the cake from the oven and let it cool in the baking dish for at least 10 minutes before serving. This allows the flavors to settle and makes it easier to cut.
- Enjoy the wonderful aroma filling your kitchen as the cake cools, and prepare for the delightful first bite!
Variations
- Add a twist of lemon zest to the batter for a refreshing citrus flavor.
- Incorporate berries like strawberries or blueberries alongside the rhubarb for added sweetness.
- For a gluten-free version, substitute all-purpose flour with a gluten-free flour blend.
- Top with a drizzle of caramel sauce or a scoop of vanilla ice cream for an indulgent touch.
- Try using almond flour in the crumble for a nutty flavor and texture.
Serving and Storage Tips
Serving
Serve the Norwegian Rhubarb Cake warm or at room temperature. It pairs beautifully with a dollop of whipped cream or a scoop of vanilla ice cream for a delightful contrast to the tart rhubarb. A sprinkle of powdered sugar on top can add a lovely finishing touch.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 4 days. For longer storage, you can freeze individual slices for up to 3 months. To reheat, simply thaw overnight in the fridge and warm in the oven or microwave before serving.
Common Mistakes
- Using too much rhubarb: Overloading can make the cake soggy. Stick to 4 cups for the best texture.
- Not letting the rhubarb sit: Skipping the resting time means less sweetness. Always let it sit with sugar to draw out juices.
- Overmixing the batter: This can result in a dense cake. Mix until just combined for a lighter texture.
- Skipping the cooling step: Cutting too soon can lead to crumbling. Allow it to cool for at least 10 minutes before slicing.
Helpful Notes
- For a nutty flavor, add chopped nuts to the crumble topping.
- Replace sour cream with plain yogurt for a lighter option.
- To enhance sweetness, consider adding a teaspoon of almond extract to the batter.
- If you're allergic to gluten, ensure all ingredients are certified gluten-free.
- For a vegan option, substitute eggs with flax eggs and use plant-based butter.
Frequently Asked Questions
Can the recipe be frozen?
Yes, the Norwegian Rhubarb Cake can be frozen. Allow the cake to cool completely, then wrap it tightly in plastic wrap or aluminum foil. It can be stored in the freezer for up to 3 months. When ready to enjoy, simply thaw it in the refrigerator overnight.Can ingredients be substituted?
Absolutely! You can substitute fresh rhubarb with frozen rhubarb, just make sure to thaw and drain it. For the sour cream, plain yogurt works well. If you need a gluten-free option, use a 1:1 gluten-free flour blend in place of all-purpose flour.How to store leftovers?
Store any leftover cake in an airtight container in the refrigerator for up to 4 days. To keep it fresh, ensure it’s well wrapped to avoid drying out.Can the recipe be made ahead?
Yes, this cake can be made ahead of time. Bake it, let it cool, then cover it and store in the fridge for up to 3 days. It also freezes well for longer storage, making it a convenient dessert option for gatherings.Final Thoughts
I truly hope you give this Norwegian Rhubarb Cake a try! It's more than just a dessert; it's a slice of nostalgia that brings warmth and joy to any table. Whether you're sharing it with family during a cozy gathering or savoring a piece with your morning coffee, each bite is sure to evoke sweet memories. So, roll up your sleeves, enjoy the process, and create some delicious moments that you'll cherish for years to come.

Norwegian Rhubarb Cake
Equipment
- Mixing bowl
- baking dish
Ingredients
For the Cake
- 4 cups rhubarb, chopped into 1-inch pieces
- 1 ¼ cups granulated sugar, divided
- 1 ½ cups all-purpose flour
- 1 ½ teaspoons baking powder
- ¼ teaspoon salt
- ½ cup unsalted butter, softened
- 2 large eggs
- 1 teaspoon vanilla extract
- ½ cup sour cream
For the Crumble Topping
- ½ cup all-purpose flour
- ½ cup rolled oats
- ½ cup brown sugar, packed
- ¼ teaspoon ground cinnamon
- ¼ teaspoon salt
- ½ cup unsalted butter, cold and diced
Instructions
- Preheat the oven to 350°F (175°C) and grease a baking dish.
- In a mixing bowl, combine the rhubarb with 1 cup of sugar and let it sit for 10 minutes.
- In another bowl, mix the flour, baking powder, and salt.
- In a separate bowl, cream together the softened butter and remaining sugar. Add the eggs and vanilla, mixing well.
- Mix in the sour cream and then gradually add the dry ingredients. Fold in the rhubarb.
- Pour the batter into the prepared baking dish.
- For the crumble, combine the flour, oats, brown sugar, cinnamon, and salt in a bowl. Cut in the cold butter until the mixture resembles coarse crumbs.
- Sprinkle the crumble topping over the batter in the baking dish.
- Bake for 40 minutes or until golden brown and a toothpick comes out clean.






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