This delectably cinnamon-swirled and crumble-topped Coffee Cake Mug Cake recipe is the single-serving dessert equivalent of “me time.” Made with just 7 simple ingredients and 2 minutes in the microwave, this indulgent little breakfast coffee cake in a mug is the sweetest, coziest way to start or end your day — without any fuss!

About this mug coffee cake
Close your eyes and imagine a tender coffee cake, swirled with cinnamon sugar, dotted with cinnamon chips, and topped with a cinnamon streusel crumb topping. The cozy aroma of cinnamon sweetness permeates your kitchen, mere minutes after you start your dessert-making endeavor. 
You take a deep breath, grateful for the warmth from the mug that brings comfort to your chilled hands. A contented sigh escapes your lips as you take the first sweetly spiced bite. This, my friends, is what you can expect from my mug coffee cake. As if that weren’t enough to sell you on this magnificently simple treat, this recipe is also:
Stupid Simple – Simply mix, microwave, and BOOM! Homemade coffee cake in a mug is born. All you need is a coffee mug, a fork, and a microwave.
Made With Pantry Staples – Nothing fancy to see here, folks. All you need is a bit of milk and butter, then just a handful of baking basics. 
Easily Adaptable – Need to go dairy-free or gluten-free" I gotchu. Wanna step things up a notch with a vanilla icing drizzle" Let’s do it! Read on below for more fu...