In a glass Tupperware add in oats and chia seeds. Mix oats and chia seeds together until well combined.
Add coconut milk and mix everything together. Then add in peanut butter and maple syrup. Mix really well until everything is fully combined. There should be a little milk on top of the mixture.
Cover and store in the fridge for a minimum of 4 hours before eating/ serving. Can be stored in the fridge for up to 5 days, enjoy!