01 - Peel, core, and slice apples into uniform ½-inch wedges for even cooking.
02 - Place apple slices in the Instant Pot insert. Sprinkle brown sugar, cinnamon, nutmeg if using, and salt evenly over the top.
03 - Drizzle maple syrup or honey over apples if desired, then add water or apple juice to the pot.
04 - Distribute small pieces of butter across the surface of the apples.
05 - Close lid and set valve to sealing position. Cook on high pressure for 2 minutes.
06 - Allow natural pressure release for 3 minutes, then carefully quick-release remaining pressure.
07 - Open lid and gently stir in vanilla extract. For a thicker consistency, select Sauté mode and simmer 2-3 minutes, stirring gently. Serve warm over oatmeal, pancakes, or ice cream.