Just because it's not your birthday doesn't mean you don't deserve cake!

And you know what's the best kind of cake? Cake you don't have to feel guilty gorging on because it's HEALTHY! ?

MORE: 8 Recipes You Can Make in a Mug (and in Minutes!)

That's the cake celebrity nutritionist and Metabolism Revolution author Haylie Pomroy brought to our kitchen with the promise that its ingredients might just help boost your metabolism.

And the best part? It's a personalized mug cake that takes only 60 seconds to cook in the microwave!

Plus, you only need five ingredients:

—Egg whites (lean protein)
—Birch xylitol
—Raw cacao (which boasts metabolism-boosting magnesium)
—Cacao powder
—Vanilla or mint extract

Put all the ingredient in the mug, whip them up and pop the mug in the microwave for 45 to 60 seconds on 50 percent power, and you've got yourself a cake for one!

"When you're eating this, you want to think about what it's doing for your hormones," says Haylie. "This lowers stress hormones [and] burns belly fat."

MORE: How to Make Healthy Homemade French Fries

"There's so much power on your plate," she adds.

We couldn't agree more!