
Combine milk, rice, maple syrup, cinnamon, butter, and salt in Instant Pot, then close and lock lid. Select high pressure and set timer for 8 minutes. Allow 10 to 15 minutes for pressure to build.
Natural release for 10 minutes then quick release remaining pressure. Unlock and remove the lid. Stir in vanilla extract, lemon, and raisins. Serve hot or cold.