Looking for a quick snack to make? Then you will definitely enjoy this decadent and delicious keto mug cake that is peanut butter flavored. You can add some toppings but this alone is amazing already.

Since I have been obsessed with doing quick meals lately, I’m sharing with you another mug cake recipe. For peanut butter lovers out there, this will surely make your tummies happy! This is a 5-ingredient recipe and all of it are staples you can find in your kitchen. Since I personally love peanut butter, this is one of the easy snacks I’d like to make.

No need for long process, no baking expertise needed. Just combine everything, mix well and place in the microwave for about a minute. That’s it, very quick and no mess at all! A fast one but definitely not sacrificing the taste of the meal. This Keto Peanut Butter Mug Cake should absolutely be on your list!

Preparation time: 5 minutes

Servings: 1


1 Tbsp Olive Oil

3 Tbsp Peanut Butter

1 Tbsp Erythritol

¼ tsp of Baking Powder

1 Egg



  1. Prepare all the ingredients.

prepare all the ingredients for keto peanut butter mug bread

2. First, grease the mug with olive oil. Then, add all the ingredients to the mug.

grease the mug with oil then add all the ingredients

3. Using a spoon, mix until well combined. Microwave for 1 minute.

mix until well combined. microwave for 1 minute

4. Allow to cool for a few minutes. Slice and serve on a plate or eat directly from the mug.

keto peanut butter mug cake

Nutritional Information:

Energy – 501.1 kcal
Protein – 16.9g
Fat – 43.1g
Carbohydrates – 11.4g

Watch the video on how to prepare Keto Peanut Butter Mug Cake:

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