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Easy Healthy Chocolate Cake Recipe (NO Sugar or Fat!) - Simple, Moist, and Guilt-Free

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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 12 servings

Ingredients
  

  • 3 medium very ripe bananas, mashed (the spottier, the better)
  • ½ cup unsweetened applesauce
  • ½ cup plain nonfat Greek yogurt
  • 2 large eggs, room temperature
  • 2 teaspoons vanilla extract
  • 1 1/4 cups oat flour (store-bought or finely ground rolled oats)
  • ½ cup unsweetened cocoa powder (Dutch-process or natural)
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • ¼ teaspoon fine salt
  • Optional: 2–3 tablespoons granulated sweetener that isn’t sugar (like erythritol or allulose) if you prefer a sweeter cake
  • Optional mix-ins: 1/4 cup unsweetened mini chocolate chips, chopped nuts, or shredded unsweetened coconut

Instructions
 

  • Prep your pan and oven: Heat oven to 350°F (175°C). Line an 8-inch square pan or 9-inch round pan with parchment and lightly spray with nonstick spray.
  • Mix the wet ingredients: In a large bowl, mash the bananas until smooth. Whisk in applesauce, Greek yogurt, eggs, and vanilla until well combined.
  • Stir together the dry ingredients: In a separate bowl, combine oat flour, cocoa powder, baking soda, baking powder, and salt. Break up any cocoa lumps.
  • Combine gently: Add the dry mix to the wet mix. Stir until just combined. If using a non-sugar sweetener or mix-ins, fold them in now. Do not overmix.
  • Pan and smooth: Pour batter into the pan. Smooth the top with a spatula.
  • Bake: Bake for 22–28 minutes, until a toothpick comes out with a few moist crumbs. The center should spring back lightly to the touch.
  • Cool: Let cool in the pan for 10 minutes, then lift out using the parchment and cool completely on a rack. This helps the cake set and stay moist.
  • Optional topping: Dust with extra cocoa powder or spread a thin layer of Greek yogurt mixed with cocoa and a pinch of sweetener for a quick frosting.