In a bowl, combine rolled oats, pumpkin puree, and milk.
Add maple syrup, pumpkin pie spice, and vanilla extract.
Mix in Greek yogurt for added creaminess if desired.
Stir well to combine all ingredients thoroughly.
Transfer the mixture to a sealable container or jar.
Cover and refrigerate overnight (or at least 4 hours).
In the morning, check the consistency; add more milk if desired.
Top with nuts, seeds, or dried fruit for added texture.
Enjoy cold or warm in the microwave for 30 seconds.
Share and enjoy your delicious pumpkin oats!