In a glass jar or a bowl, combine oats, nut butter, chia seeds, and hemp hearts. Add a splash of the milk and mix everything together. Add in the rest of the milk and stir to combine.
½ cup oats, rolled, old fashioned, or large flake, 2 tablespoon nut or seed butter, 1 tablespoon hemp hearts, 2 teaspoon chia seeds, ¾ cup dairy or non-dairy milk