Grab a mug you love and toss in the flour, matcha powder, sugar, baking powder, and a pinch of salt. Stir well so everything is combined and smooth, no lumps hiding in your green batter! Next, add the milk and vegetable oil, stirring gently and scraping the sides to make sure nothing is left behind. You want a thick, silky batter that will rise nicely but is still easy to scoop.

Add your white chocolate chips and fold them in lightly. Don’t overmix, giving you creamy surprises in every bite. Place the mug in the microwave and start with one minute on high. Check the cake, it should puff up and feel springy on top. If it’s not quite done, continue microwaving in 10-second increments until it’s perfect.

Let your mug cake rest for a minute or two so it sets slightly and the flavors settle. Take a moment to enjoy the sweet, earthy aroma of matcha filling your kitchen. Then, grab a spoon and dig in.