No Flour, No Sugar Oat Cake

ByHannah Peterson

No Flour, No Sugar Oat Cake Rich, Fudgy, and Surprisingly Diabetic-Friendly

This No Flour, No Sugar Oat Cake is incredibly moist, chocolatey, and packed with wholesome oats and crunchy walnuts. It tastes like a decadent brownie-cake hybrid but is made without any flour or added sugar. Perfect for anyone craving a healthier dessert that still feels indulgent while being mindful of blood sugar.

Why You’ll Love This Recipe

  • No flour and no added sugar
  • Made with simple, real ingredients
  • Rich chocolate flavor with a fudgy texture
  • Great for meal prep or special occasions
  • Customizable with your favorite nuts or mix-ins

Ingredients (makes 9–12 squares)

  • 2 cups rolled oats (blended into flour)
  • ½ cup unsweetened cocoa powder
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • ½ cup unsweetened applesauce (or mashed banana)
  • ⅓ cup melted coconut oil or butter
  • ⅓–½ cup sugar-free sweetener (erythritol, monk fruit, or allulose)
  • 2 large eggs
  • 1 tsp vanilla extract
  • ½ cup unsweetened almond milk (or regular milk)
  • ½ cup chopped walnuts or pecans (plus extra for topping)

Chocolate Glaze (optional but recommended):

  • ½ cup sugar-free chocolate chips
  • 2 tbsp coconut oil or heavy cream
  • Chopped nuts and a sprinkle of powdered sweetener for garnish

Instructions

  1. Preheat oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper.
  2. Blend the rolled oats in a food processor or high-speed blender until they turn into a fine flour.
  3. In a large bowl, whisk together oat flour, cocoa powder, baking powder, baking soda, and salt.
  4. In another bowl, mix applesauce, melted coconut oil, sweetener, eggs, vanilla, and almond milk until smooth.
  5. Combine wet and dry ingredients, stirring just until mixed. Fold in the chopped walnuts.
  6. Pour batter into the prepared pan and spread evenly.
  7. Bake for 22–28 minutes until the center is set but still slightly soft (for fudgy texture). Do not overbake.
  8. Cool completely in the pan.
  9. For the glaze: Melt sugar-free chocolate chips with coconut oil (or cream) until smooth. Spread over the cooled cake and top with extra chopped nuts. Let glaze set before slicing.

Storage Tips

Store in an airtight container at room temperature for 2 days or in the refrigerator for up to 6 days. These bars also freeze well — wrap individually for quick treats.

Nutritional Information (per square, based on 12 squares, with glaze)

  • Calories: ~165
  • Fat: 11g
  • Total Carbs: ~14g
  • Fiber: ~3g
  • Net Carbs: ~11g (lower when using allulose)
  • Protein: 4g

Note: Oats contain natural carbs, but the high fiber content helps with slower blood sugar impact. Always test your personal response.

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