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Peanut butter mug cake in coffee cup.
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Peanut Butter Mug Cake

5 from 52 votes
Treat yourself to a delicious and easy peanut butter mug cake. Ready in minutes, this microwave-friendly dessert is sure to satisfy your sweet tooth.
Prep Time10 minutes
Cook Time2 minutes
Total Time12 minutes
Course: Dessert
Cuisine: American
Servings (Adjustable): 2
Calories: 424kcal

Ingredients

For the cake:

  • 3 tablespoons Butter melted
  • 3 tablespoons Almond milk
  • 3 tablespoons Sugar
  • 1 large Egg
  • 3 tablespoons Peanut butter
  • ¼ teaspoon Baking powder
  • 4 tablespoons All-purpose flour
  • ½ teaspoon Vanilla

For the optional frosting:

  • 2 tablespoon Hot fudge sauce
  • 1 tablespoon Peanut butter

Instructions

  • Add all of the ingredients for the cake to a mixing bowl, and blend until smooth.
  • Evenly separate the batter into two well greased small mugs.
  • Microwave for 1 ½ - 2 minutes, or until the cakes are cooked through.
  • If using the frosting, place the hot fudge sauce and peanut butter into a microwave safe bowl, and heat for about 20 seconds. Stir to combine, and add the frosting to the top of the cakes before serving.

Notes

Nutritional data is without the optional frosting. See below for data with frosting: 

Nutritional Data with Frosting

Calories: 539kcal | Carbohydrates: 49g | Protein: 10g | Fat: 36g | Saturated Fat: 15g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 13g | Trans Fat: 1g | Cholesterol: 46mg | Sodium: 421mg | Potassium: 258mg | Fiber: 3g | Sugar: 28g | Vitamin A: 526IU | Vitamin C: 0.04mg | Calcium: 90mg | Iron: 2mg

Cooking Tips

Use good quality ingredients like creamy peanut butter and pure vanilla extract for enhanced flavor.
Don't over-mix the batter. This can result in a dense and rubbery texture. Just mix until all ingredients are well incorporated.
Microwaving time can vary depending on your microwave's wattage. Start with 1 minute and increase by 15-second intervals until fully cooked. The cake should be moist but not gooey in the center.

Nutrition

Calories: 424kcal | Carbohydrates: 35g | Protein: 7g | Fat: 30g | Saturated Fat: 13g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 11g | Trans Fat: 1g | Cholesterol: 45mg | Sodium: 321mg | Potassium: 159mg | Fiber: 2g | Sugar: 21g | Vitamin A: 526IU | Vitamin C: 0.01mg | Calcium: 76mg | Iron: 1mg

Equipment

Coffee mug

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