01 - Peel, core, and slice apples into uniform 1/2-inch wedges for even cooking.
02 - Place apple slices in the Instant Pot inner pot, spreading them evenly.
03 - Sprinkle brown sugar, cinnamon, nutmeg, and salt over the apples.
04 - Drizzle with maple syrup or honey if using, then add water or apple juice.
05 - Distribute butter pieces evenly across the top of the apples.
06 - Close lid and set valve to sealing. Cook on high pressure for 2 minutes.
07 - Allow natural pressure release for 3 minutes, then quick-release remaining pressure.
08 - Open lid, stir in vanilla extract. For thicker consistency, use Sauté mode for 2-3 minutes. Serve warm.