Combine all of the ingredients except for the chopped peanuts, in a jar with a tight-sealing lid. Stir and shake to combine. Refrigerate overnight.
The following morning, stir and add the chopped peanuts and enjoy! For you peanut butter lovers, you can also add dollop more peanut butter if you like, to finish.
For Overnight Peanut Butter and Jelly Oats, top with our homemade Berry Jam!