Add ingredients to Instant Pot. Fasten on the lid.
2 cups gluten-free coarse oatmeal, 2 ½ cup water, 2 cups nondairy milk of choice, ½ cup raisins, 1 apple, 1 tablespoon cinnamon, 2 tablespoons maple syrup
With Vent closed, set to Pressure Cook for 5 minutes. Immediately, set Delay Start for 7 hours (for oatmeal to be done in 8), or for one hour less than whatever time you want your porridge to be finished.
Video
Notes
The porridge will stay warm for up to an hour in a closed Instant Pot.