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Gluten-free Chocolate Cake

An ultra-moist gluten-free chocolate cake that's as simple as throwing sweet potatoes and a handful of other ingredients in the blender.
Course Dessert
Cuisine American
Level Beginner
Main Ingredient Chocolate, Potato
Diet Gluten-Free, Pescatarian, Vegetarian
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 9 servings
Calories 327 kcal


  • 700 grams Japanese sweet potato (you want to end up with 640 grams grated)
  • 2 large eggs
  • 6 tablespoons cultured unsalted butter (melted)
  • 125 grams granulated sugar (~2/3 cup)
  • 80 grams unsweetened cocoa powder (~2/3 cup)
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon salt
  • 2 teaspoons baking powder
  • 200 grams cream cheese (at room temperature)
  • 1/4 cup grade b maple syrup
  • 1 teaspoon vanilla extract


  1. Line an 8" x 8" square cake pan with parchment paper and preheat the oven to 375 F (190 C).
  2. Peel the sweet potato and then grate it into a blender along with the eggs, melted butter, sugar, coco powder, vanilla and salt. Blend until the mixture is smooth and free of lumps.
  3. Add the baking powder and blend until just combined (don't overmix). The baking powder leavens the batter helping it to rise but if you over mix it all the of the leavening powder will be used up before your brownie makes it into the oven.
  4. Pour the batter into your prepared pan, flatten off the top and bake until a toothpick inserted into the center comes out clean (30-40 minutes).
  5. Let the cake cool for 15 minutes in the pan on a wire rack and then remove the pan, allowing the cake to cool completely.
  6. For the frosting just whisk together the cream cheese, maple syrup and vanilla until smooth, and spread it on top.



Don't use orange fleshed sweet potatoes (also sometimes called yams) for this recipe. They have too much moisture and not enough starch and will not set.

Nutrition Facts
Gluten-free Chocolate Cake
Amount Per Serving
Calories 327 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 10g50%
Cholesterol 85mg28%
Sodium 166mg7%
Potassium 553mg16%
Carbohydrates 42g14%
Fiber 5g20%
Sugar 23g26%
Protein 5g10%
Vitamin A 11625IU233%
Vitamin C 1.9mg2%
Calcium 113mg11%
Iron 2.1mg12%
* Percent Daily Values are based on a 2000 calorie diet.