This Peanut Butter Mug Cake is moist, indulgent, and only takes 5 minutes to throw together. Even better, this easy mug cake is a kid-friendly recipe!
Peanut Butter Cake in a Mug
Peanut butter cake in a mug! Now that I have your attention, I have a delightful little recipe for you, for those days when you are craving a cozy dessert but you forgot to prepare anything.
Who doesn’t love a cute mug dessert — aka a delicious miniature cake for one made in just minutes, perfectly portioned so that all you need to do is find a spoon and a comfy space on the couch to satisfy that sweet tooth?
I used to think my One-Bowl Chocolate Cake was easy, but then I created this microwave cake recipe and now I’m hooked. I’m so hooked that I’ve created protein mug cake recipe too that you totally need to try! Made from scratch, fluffy, and flavorful, I bet you have all the ingredients you need for this recipe on hand right now.
Plus, peanut butter and chocolate chips — like in these Peanut Butter Muffins or this gorgeous Peanut Butter Cheesecake Dip — are just the best of friends. Is there a more perfect couple? You just can’t beat the taste of those two together!
What’s in This Peanut Butter Mug Cake?
Now, microwave mug cakes are small and we’re trusting the microwave to cook it perfectly, so it’s important to get the right balance of ingredients. Here’s what you’ll need to make this best mug cake:
- Peanut butter and chocolate are of course the main flavor components here.
- Vegetable oil helps to keep the cake moist – no dry mug cakes here.
- Egg white gives the cake structure and helps it to be light and fluffy.
- This cake in a mug recipe uses brown sugar for enhanced flavor and also moisture.
- Finally, cake regulars, flour and baking powder do the job of structure and lift.
Can I Make a Cake in a Mug Without an Egg?
Yes, you can make this eggless and use milk instead, but the texture is much better using the egg white. I should note here that this recipe is dairy-free and you can make it gluten free by swapping the all purpose flour with gluten-free flour.
How to Make a Mug Cake
Mug desserts are as easy as it gets. Here are the basic steps to making this microwave cake in a cup:
- Start by combining the wet ingredients and sugar in a large microwave-safe mug. Give it a good whisk with a fork.
- Add the dry ingredients and stir the cake b