low carb peanut butter cake
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Low Carb Microwave Peanut Butter Cake

This low carb peanut butter cake is a great quick dessert on the go. You can make it in the microwave thus great when traveling.
Prep Time3 mins
Cook Time7 mins
Total Time10 mins
Course: Dessert
Cuisine: American
Keyword: low carb microwave peanut cake, low carb peanut butter cake, low carb peanut cake, peanut butter microwave cake
Servings: 9
Calories: 321kcal


  • 5 oz peanut butter (100g)
  • 5 oz salted butter (100g)
  • 2 cups almond flour
  • 4 eggs
  • 1/4 cup erythritol
  • 1/4 cup stevia
  • 2 tsp baking powder
  • 1/2 cup water

Topping (optional)

  • whipped cream


  • Melt butter and peanut butter in the microwave.
  • Mix almond flour, erythritol, stevia and baking powder in a separate bowl.
  • Mix dry ingredients with melted butter. Add eggs and stir until smooth.
  • Afterward, add water so you get a nice smooth batter.
  • Spray some oil over the form and pour in the batter. Microwave for 6-7 minutes at 800 watts. Get a toothpick and start checking whether it’s cooked after around 5 minutes. All microwaves are different and it might take a longer/shorter amount of time to bake based on wattage.
  • To serve: cut the cake into 9 squares. Feel free to bit of whipped cream.


Per Serving:
Total Fat: 29g
  • Saturated Fat: 8.4g
Cholesterol: 107mg
Sodium: 265mg
Potassium: 282mg
Total Carbohydrates: 15g
  • Dietary Fiber: 3.7g
  • Sugar: 1.9g
Protein: 11g
NET CARBS: 11.3g