Combine oats and milk in a jar. Stir in pumpkin butter, chia seeds and spices.
Cover jar and let rest in fridge overnight.
In the morning, let the jar sit on the counter for 20-30 minutes (or microwave for a few seconds).
Add banana, nuts, whipped cream.
Optional: sprinkle with a dash of cinnamon, pumpkin pie spice and/or whipped cream. Enjoy!