Add your dry ingredients into a shallow container or cereal bowl. Add your milk of choice and give it a mix.
Cover the bowl and refrigerate for at least 4 hours, or overnight.
When ready to enjoy, give it a mix and add more milk if needed. Add your toppings and enjoy immediately.
TO STORE: Prep your oats in advance and store them in the refrigerator for up to one week. Just be sure to give the oats a good mix, as it will continue to thicken. TO FREEZE: Place the overnight oats in shallow containers and store them in the freezer for up to two months.