01 - Whisk together the milk and matcha powder in a medium bowl or jar until smooth and no lumps remain.
02 - Add the oats, chia seeds, and honey or maple syrup to the matcha milk mixture. Stir thoroughly to combine all ingredients.
03 - Cover and refrigerate overnight, or at least 6 hours, to allow the oats to absorb the liquid and soften properly.
04 - In the morning, stir the oats. Add a splash of milk if a looser consistency is desired.
05 - Divide into bowls or jars. Top with banana slices, coconut flakes, nuts, and berries as desired.