Preheat oven to 375 degrees F. Line a 12-cup muffin tin and set aside.

In a large bowl, whisk together egg, milk, applesauce, honey, oil, and vanilla until frothy. Add oats, flour, sugar, matcha, baking powder, salt, and ginger. Stir to combine. Let sit about five minutes to thicken slightly.

Fill each muffin cup almost to the top. They won't rise much, so don't worry about spillage or too-big muffin-tops! Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean.

Let cool about 10 minutes before transferring to a wire rack.