01 - In a mason jar or sealable container, add rolled oats, milk, and chia seeds. Stir thoroughly to ensure even distribution.
02 - Spoon peanut butter over the oat mixture and evenly scatter pineapple chunks on top.
03 - Seal the container and refrigerate for at least 8 hours to allow the mixture to set.
04 - Before serving, sprinkle shredded coconut over the set oats and enjoy chilled.