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Keto Chocolate Marble Cake: The Ultimate Low-Carb Dessert

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A rich, buttery low-carb dessert combining a moist almond flour vanilla cake with a chocolate cocoa layer. Perfect for keto dieters, this marble cake bakes evenly in a loaf pan and stays fresh for days. Its tender crumb and marbled swirl make it ideal for special occasions or quick bakes.

  • Total Time: 50
  • Yield: 10 slices 1x

Ingredients

Scale

2 cups almond flour
1/2 cup coconut flour
1 cup erythritol
1 cup unsalted butter, melted
4 large eggs
1/2 cup unsweetened cocoa powder
1 1/2 tsp baking powder
1 tsp non-alcoholic vanilla extract
Pinch of salt

Instructions

Preheat oven to 350°F (180°C)
Line a 9×5-inch loaf pan with parchment paper
Whisk almond flour, coconut flour, baking powder, and salt in a bowl
In another bowl, mix melted butter with erythritol until smooth
Add eggs one at a time, beating well after each
Stir in non-alcoholic vanilla extract
Divide batter into two equal portions
Mix cocoa powder into one portion until fully incorporated
Spoon both batters into the pan and create a marbled pattern with a knife
Bake for 35 minutes or until a toothpick comes out clean
Cool completely before slicing and serving

Notes

Swirling the batters is forgiving – a rough pattern works well
Store in an airtight container in the fridge for up to 5 days
Freeze individual slices for extended storage
Adjust erythritol or add stevia to modify sweetness

  • Author: Leah
  • Prep Time: 15
  • Cook Time: 35
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Keto

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 0g
  • Sodium: 200mg
  • Fat: 24g
  • Saturated Fat: 14g
  • Carbohydrates: 9g
  • Fiber: 5g
  • Protein: 4g
  • Cholesterol: 40mg