Keto Rhubarb Cake Recipe – Low Carb Sugar-Free Dessert
Introduction
This keto rhubarb cake is a delightful low-carb dessert that combines the tartness of rhubarb with a sweet, moist cake base. Perfect for those following a ketogenic diet or anyone looking for a healthier dessert option. The recipe uses almond flour and erythritol to keep it sugar-free while maintaining great flavor. For more delicious keto recipes, check out our Keto Graduation Sheet Cake or Keto July 4th Cake.
Ingredients
- 2 cups almond flour
- 1/2 cup erythritol (or preferred keto sweetener)
- 1 tsp baking powder
- 1/4 tsp salt
- 3 large eggs
- 1/2 cup melted butter
- 1 tsp vanilla extract
- 2 cups chopped rhubarb
- 1 tbsp lemon juice
- 1/4 cup powdered erythritol (for topping)

Instructions
- Preheat oven to 350°F (175°C) and grease an 8-inch cake pan.
- In a large bowl, mix almond flour, erythritol, baking powder, and salt.
- In another bowl, whisk eggs, melted butter, and vanilla extract.
- Combine wet and dry ingredients, stirring until smooth.
- Fold in chopped rhubarb and lemon juice.
- Pour batter into prepared pan and bake for 35-40 minutes.
- Let cool before dusting with powdered erythritol.
Tips
- For extra flavor, add 1/2 tsp cinnamon to the batter.
- If rhubarb is very tart, increase sweetener slightly.
- Store leftovers in refrigerator for up to 5 days.
- For more keto dessert ideas, visit receitapura.
FAQ
Can I use frozen rhubarb?
Yes, but thaw and drain it well to remove excess moisture.
Is this cake dairy-free?
No, but you can substitute butter with coconut oil for a dairy-free version.
How many carbs per serving?
Approximately 5g net carbs per slice.
Conclusion
This keto rhubarb cake is a perfect balance of tart and sweet, making it an excellent choice for any occasion. For more delicious low-carb treats, try our Keto Summer Sugar Cookies. Enjoy this guilt-free dessert that proves you don’t need sugar to satisfy your sweet tooth!

