Add everything into Instant Pot. Lock in lid.
Manually set it to 5 minutes on high pressure for more toothsome oatmeal (or 3 min, with natural release). Otherwise push the 'Porridge' button, which will set it for 20 minutes once it comes to pressure for .
When it’s done, 'quick release' the steam. (Stir in cinnamon and maple syrup). Enjoy!
