Keto Peanut Butter Mug Cake

User Reviews

5

144 reviews
Excellent
  • Prep Time

    3 mins

  • Cook Time

    1 min

  • Total Time

    4 mins

  • Servings

    2

  • Calories

    280 kcal

  • Course

    Dessert

  • Cuisine

    British

Keto Peanut Butter Mug Cake

This Keto Peanut Butter Mug Cake delivers a moist, dense texture with a rich peanut butter flavor, enhanced optionally by dark chocolate pieces. The coconut flour provides structure while keeping it low-carb. It's a convenient single-serving dessert made quickly in the microwave, suitable for sharing or enjoying solo. The recipe's flexibility with ingredients like almond butter and optional vanilla or cinnamon allows subtle flavor variations.

Description

The Keto Peanut Butter Mug Cake combines soft peanut butter, coconut flour, a low-carb sweetener, and a touch of baking powder to create a compact cake that cooks rapidly in a microwave mug. Mixing all components directly in the mug simplifies preparation and cleanup. Including chopped dark or sugar-free chocolate adds richness and texture. Adjusting sweetness with additional sweetener or optional vanilla and cinnamon allows personal taste customization.

The finished cake is dense and moist, a satisfying treat when warmed. Its low net carb count makes it suitable for ketogenic diets. Preparation within a minute or so fits well for a quick dessert or snack. Sharing between two people is recommended due to its filling nature. The mug cake approach requires monitoring the microwave timing to avoid overcooking and drying out.

The cake pairs nicely with whipped cream or coconut cream toppings and additional chocolate chips if desired, but decorations are optional. Use soft peanut butter for best mixing consistency, though almond butter works as an alternative. This recipe suits those who want a small, indulgent keto-friendly dessert ready in minutes without baking an entire cake.

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Ingredients

Servings
  • 2 tablespoon peanut butter soft
  • 1 ½ tablespoon coconut flour
  • 1 ½ tablespoon powdered sweetener add an additional ½ teaspoon if you have a sweet tooth
  • 3 tablespoon heavy cream or coconut cream for dairy free
  • 1 egg medium
  • ¼ teaspoon baking powder
  • 1 tbsp dark chocolate optional, chopped, or sugar free chocolate chips

Instructions

  1. Mix all ingredients in a tall glass or mug, using a fork. Fold in the chocolate last, if using.
  2. Microwave on high for up to 90 seconds. Check after 50 seconds and continue with 10-second bursts until the cake peels away from the mug and the centre is cooked.

Notes

  • Use soft peanut butter to ensure smooth mixing; almond butter can be substituted.
  • Optional additions include ½ teaspoon vanilla extract or 1 teaspoon cinnamon for extra flavor.
  • The microwave cooking time varies; start checking at 50 seconds and continue in 10-second bursts until done.
  • Share the cake between two for a filling dessert with about 3.6 net carbs per serving.
  • Decorate with whipped or coconut cream and extra chocolate chips if desired, though not included in nutrition.

Nutrition Information

Show Details
Calories 280kcal (14%) Total Carbohydrates 7.2g (2%) Protein 10.3g (21%) Fat 22.9g (35%) Saturated Fat 9g (45%) Polyunsaturated Fat 5g (29%) Monounsaturated Fat 6.1g (31%) Fiber 3.6g (14%) Sugar 3.4g (7%)

Nutrition Facts

Serving: 2Serving

Amount Per Serving

Calories 280 kcal

% Daily Value*

Calories 280kcal 14%
Total Carbohydrates 7.2g 2%
Protein 10.3g 21%
Fat 22.9g 35%
Saturated Fat 9g 45%
Polyunsaturated Fat 5g 29%
Monounsaturated Fat 6.1g 31%
Fiber 3.6g 14%
Sugar 3.4g 7%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

144 reviews
Excellent

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