Kirbie's Cravings

3 Ingredient Flourless Peanut Butter Mug Cake

photo of a flourless peanut butter mug cake

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.

Just like how easy this mug cake is, I’m going to keep this post simple and sweet.
close-up photo of the top of the cake
I’m quite tired. In the past 2 weeks, I’ve traveled out of town three times. And while I’m grateful for all the experiences, I’m also exhausted. I’m looking forward to being in my own home for an extended period of time and going back to my normal routine and back to my regular blogging schedule.
close-up photo of a spoonful of cake
But even in my exhausted state, I can make this five minute mug cake. And you can too.

I actually already have a flourless peanut butter mug cake recipe I really love. But I was playing around in the kitchen the other day and discovered I could create one with just three ingredients.

This cake is peanut buttery, but also light and fluffy. You won’t believe it’s flourless. If you have peanut butter, eggs, and sugar, I urge you to try it now.

Recipe updated with a new video! You can find all my recipe videos on my youtube channel as well.


If you enjoy this recipe, be sure to check out my cookbook* of nearly 100  mug cakes!

photo of the cover of 5-Minute Mug Cakes cookbook

More Mug Cakes

 

*Some of the links contained in this post are affiliate links. Much like referral codes, this means I earn a small commission if you purchase a product I referred (at no extra charge to you).

3 Ingredient Flourless Peanut Butter Mug Cake

Servings: 1
Prep Time: 4 minutes
Cook Time: 1 minute
Total Time: 5 minutes
Course: Dessert
Cuisine: American
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.
4.65 from 14 votes

Ingredients

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

Instructions

  • 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.

Video

Nutrition

Serving: 1mug cake, Calories: 418kcal, Carbohydrates: 26g, Protein: 18g, Fat: 28g, Saturated Fat: 6g, Sodium: 291mg, Potassium: 380mg, Fiber: 2g, Sugar: 21g, NET CARBS: 24g

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.

Did you make this recipe?I'd love to see it! Mention @KirbieCravings and tag #kirbiecravings!

 

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283 comments on “3 Ingredient Flourless Peanut Butter Mug Cake”

  1. Brilliant! So easy and yummy. I topped mine with a squirt of cream and warmed raspberry jam drizzled over. Delicious! 

  2. Made this tonight and the whole family LOVED it! So simple and yummy. Thank you for an easy, quick way to treat ourselves.

  3. Needs like chocolate chip in it or something drizzled on top.aomething salty.But still worth a try .

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