This microwave Peanut Butter Mug Cake is rich, gooey, and ready in just minutes, no oven needed! It’s a quick and satisfying single-serve dessert for peanut butter lovers.I love that I can satisfy a sweet craving without baking a whole cake! And, it is so easy, just like my other 15 Minute Easy Desserts you will want to try, too! Craving chocolate instead? My Chocolate Syrup Mug Cake is just as easy and full of rich, chocolatey flavor.Want to save this recipe?Just enter your email and get it sent to your inbox! Plus you’ll get new recipes from us every week!Email *Save Recipe Key Ingredients & Substitutions Peanut Butter: I used creamy peanut butter for a smooth texture.

Butter: Butter (I prefer unsalted) adds a rich, creamy flavor and adds moisture, keeping the cake tender.If using salted butter, you may want to reduce the amount of salt in the recipe.Brown Sugar: Light brown sugar adds moisture to the mug cake.

It also gives it a caramel-like richness.Dark brown sugar could work, too, just expect a more intense flavor.Egg Yolk: You will only use the egg yolk in this mug cake.

It adds fat and moisture without the extra protein from the egg white.But, don’t let the egg white go to waste! Use it for another recipe, like fried ice cream or almond paste.Milk: If you don’t have whole milk, 2%, 1%, or even skim milk would work, too.

But using lower-fat milk might make the cake turn out a little less rich and a bit drier.Chocolate Chi

Read More