3 Ingredient Flourless Peanut Butter Mug Cake

Prep Time: 4 minutes
Cook Time: 1 minute
Total Time: 5 minutes
Course: Dessert
Cuisine: American
Servings: 1
This easy flourless gluten-free peanut butter mug cake is only three ingredients. It cooks in the microwave and is ready in about 5 minutes.
4.5 from 2 votes

Ingredients:

  • tbsp creamy peanut butter
  • 1 tbsp + 1 tsp white granulated sugar
  • 1 large egg

Directions:

  1. Whisk all ingredients into an oversized, microwave-safe mug until batter is smooth and egg is fully whisked in. Microwave for about 1 minute. Let cake cool a few minutes before eating.
Nutrition Facts
3 Ingredient Flourless Peanut Butter Mug Cake
Amount Per Serving (1 mug cake)
Calories 418 Calories from Fat 252
% Daily Value*
Total Fat 28g 43%
Saturated Fat 6g 30%
Cholesterol 186mg 62%
Sodium 291mg 12%
Potassium 380mg 11%
Total Carbohydrates 26g 9%
Dietary Fiber 2g 8%
Sugars 21g
Protein 18g 36%
Vitamin A 5.4%
Calcium 4.9%
Iron 9.9%
* Percent Daily Values are based on a 2000 calorie diet.
The nutrition information provided are only estimates based on an online nutritional calculator. I am not a certified nutritionist. Please consult a professional nutritionist or doctor for accurate information and any dietary restrictions and concerns you may have. All images and content are © Kirbie's Cravings.

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