Keto Coffee Cake (Microwave/Airfryer)


  • 4 TBSP melted butter
  • 4 TBSP sour cream
  • 2 eggs
  • 1/2 cup erythritol
  • 2 TBSP coconut flour
  • 1/2 tsp baking powder
  • 1 tsp cinnamon
  • 1/2 tsp vanilla
  • 1/4 tsp nutmeg
  • 1/2 cup walnuts, chopped
  • 2 TBSP softened butter
  • 1 TBSP erythritol
  • 1 TBSP coconut flour


Butter a microwave and air-fryer safe baking dish (2 cup capacity). To make the cake batter, in a small mixing bowl, whisk together wet ingredients and erythritol. Stir in dry ingredients and pour batter into prepared baking dish. To make the topping, stir together walnuts, coconut flour, and erythritol. Cut in butter. Sprinkle topping over the cake batter, and gently pat level with the back of a spoon. Microwave cake 4-5 minutes (700 watt), or until tooth pick inserted in center comes out clean. Cook the coffee cake in an air fryer at 350°F to crisp the top of the coffee cake.

Nutrition Facts
Servings: 4
Amount per serving
Calories 363
Total Fat 33.9g
Net Carbohydrate 4.7g
Protein 9.4g
Disclaimer: Nutrition is approximate.

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