Small in size, but this mini cake sure packs in the flavor. Flourless Chocolate Peanut Butter Mug Cake is a rich, decadently chocolatey single-serving cake.

Chocolate and peanut butter are the perfect flavor combination. Chocolate makes the peanut butter richer and peanut butter gives the chocolate a perfect salty and nutty flavor.
But when they are baked together in a warm cake, it becomes so much better. Each bite is jam-packed with melt-in-your-mouth peanut butter-chocolatey goodness. With a lightly sweetened peanut butter and chocolate batter and ooey-gooey chocolate chips, this small, flavor-packed cake can satisfy any chocolate craving.
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Indulge in a Flourless Chocolate Peanut Butter Mug Cake
If you haven’t tried mug cakes before, and even if you have, it’s worth repeating, mug cakes are a perfect dessert. They are sweet, tasty, and seriously easy to make. You can prepare, cook, and eat them in the same dish. Perfect, right?!!
Every little step uses only one mug or ramekin. That’s why it’s called a mug cake – one mug for one cake. So, there is virtually no cleanup. Plus, with only a few ingredients (that may already be in your kitchen), it seriously couldn’t get easier.
Cooking this cake may be easy-breezy, but each bite is so full of flavor. Flourless Chocolate Peanut Butter Mug Cake bursts with peanut butter and chocolate flavor. Even with its small size, every bite tastes like it’s warm and fresh out of the oven.

What Makes this Flourless Chocolate Peanut Butter Mug Cake healthier?
One great thing about mug cakes is portion size. It really is the perfect size for one person. (Or, you can share a few different cakes with a few people. You can enjoy the perfect late-night family dessert-time indulgence!)
Flourless Chocolate Peanut Butter Mug Cake is also a healthier cake. Unlike other peanut butter chocolate cakes, this cake is made without butter, cream, or oil. Instead, it is given its rich texture from a combination of Greek Yogurt and peanut butter. Healthier and tasty, this is one amazing cake. It’s so perfectly decadent, you won’t miss the butter, cream, or oil. I promise!!
How to Make Flourless Chocolate Peanut Butter Mug Cake
Let’s get to it! Find your favorite mug or ramekin. It is about to be filled with a yummy mini cake. Add peanut butter, vanilla Greek yogurt, brown sugar, cocoa powder, and baking powder. Stir it all together before adding in the chocolate chips. Mix it together to form the tasty batter. Since it’s made without egg, you can lick the spoon or fork clean. I always do!
Now all that’s left is popping it in the microwave to cook. In less than 2 minutes it will be ready. Since all microwaves are different, I recommend that you start by cooking it on high for 1 minute. Continue to cook it for 10 seconds at a time until it is ready. You may notice that it bubbles while it’s cooking, it will be tasty when it’s done. You’ll know it’s finished when the top appears less shiny and a toothpick comes out clean.
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Finally, it’s the best step. Time to eat and enjoy!!

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PrintFlourless Chocolate Peanut Butter Mug Cake
With peanut chocolate batter and ooey-gooey chocolate chips, this small, flavor-packed cake can satisfy any chocolate craving. And it’s ready in only 5 minutes.
- Prep Time: 3
- Cook Time: 2
- Total Time: 5 minutes
- Yield: 1 1x
Ingredients
- 3 tablespoons peanut butter (or your favorite smooth nut butter)
- 2 tablespoons vanilla Greek yogurt
- 2 tablespoons brown sugar
- 1/2 tablespoon cocoa powder
- 1/2 teaspoon baking powder
- 1 tablespoon semi-sweet chocolate chips
Instructions
- In a microwave-safe mug, combine peanut butter, vanilla Greek yogurt, brown sugar, cocoa powder, and baking powder.
- Mix in chocolate chips.
- Microwave on high for 1 minute. Continue to cook for 10-second intervals until the cake is firm on top and a toothpick comes out clean.
- Let cool for a few minutes before eating.
- Enjoy!
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Beautiful!! And so tasty! Love the chocolate flavor.
★★★★★