Peanut Butter Mug Cake Recipe

Peanut Butter Mug Cake – Ready in Minutes!

February 14, 2020

Let's do some math with this recipe: Peanut butter + Cake + Portion-controlled = Peanut Butter Cake in a Mug Recipe!

When you make this recipe, it will satisfy peanut butter fans and cake lovers. A mug cake with 15 grams of protein may sound too good to be true but it isn't! On top of it, they are quick and easy to make.

Peanut Butter Mug Cake Recipe

Recipe by: Lisa Lillien (a.k.a. Hungry Girl)
Makes 1 serving
Prep Time: 5 minutes Cook Time: 5 minutes Total Time: 10 minutes


  • 1/4 cup powdered peanut butter
  • 1/2 tsp. baking powder
  • 2 tbsp. (about 1 large) egg white or fat-free liquid egg substitute
  • 2 tbsp. unsweetened vanilla almond milk
  • 1/4 tsp. vanilla extract
  • Optional toppings: powdered sugar, mini semi-sweet chocolate chips, white chocolate chips


  1. Spray a microwave-safe mug with nonstick spray. Add powdered peanut butter and baking powder. Mix well.
  2. Add all remaining ingredients. Microwave for 1 minute, or until mostly set.
  3. If you like, immediately run a knife along the edges to help separate the cake from its mug. Firmly place a plate over the mug, and flip so that the plate is on the bottom. Gently shake mug to release cake onto the plate.

Nutritional Info Per Serving

Calories 127; Carbohydrates 9 grams; Fat 4.5 grams; Protein 15 grams

Check out other recipes by Hungry Girl on ObesityHelp!

Pinterest Peanut Butter Cake in a Mug 1



Lisa Lillien (a.k.a. Hungry Girl) is the creator of the Hungry Girl brand. She is the founder of, the free daily email service that entertains and informs hungry people everywhere. More than 1,000,000 fans eagerly wait for Hungry Girl’s recipes, food finds, and tips & tricks each weekday.
Read more articles by Lisa!
Recipe Disclaimer: If you have specific dietary restrictions, allergies or a nutrition plan that you are following, make sure to read the ingredient list prior to consumption. All information on is intended for informational purposes only. The information is not intended to be a replacement or substitute for consultation with a qualified medical professional. Please contact a medical professional with any questions and concerns.