The mixture looks loose when you first stir it together, and that’s exactly what I expect. By morning, the oats and chia have soaked up the pumpkin and milk, turning this bowl of Pumpkin Pie Overnight Oats thick enough to eat with a spoon. I like that the pumpkin flavor comes through without needing a long list of add-ins or a stovetop.
Plain Greek yogurt gives the oats a creamy, slightly tangy base, while pumpkin pie spice brings the familiar pie flavor. The chia seeds help the mixture set as it chills, so give everything a thorough stir before you cover the container. The finished oats are soft, cool, and warmly spiced, with maple syrup for just enough sweetness.

Kitchen Note
I scrape around the sides and bottom of the container as I stir, where thick pumpkin puree likes to hide. Keep mixing until you don’t see orange streaks or dry pockets of oats.
Save these Pumpkin Pie Overnight Oats for a cool, creamy breakfast with maple sweetness and warm pumpkin spice.
Why Pumpkin Makes These Oats Thick Without Turning Them Heavy
Pumpkin puree adds more than a pie-like taste. It gives the mixture body and moisture, but it doesn’t behave like a sweetener, so the maple syrup and spice still have room to show up. That balance is why I keep the puree plain rather than reaching for pumpkin pie filling, which is already sweetened and seasoned.
There are two other ingredients helping the pumpkin settle into a spoonable texture: rolled oats and chia seeds. They soften and absorb liquid while the mixture chills, so the bowl firms up without cooking. If you judge the consistency right after stirring, it will seem thinner than the finished oats. Give it the full chilling time before deciding whether the texture needs adjusting.
Why Old-Fashioned Oats, Greek Yogurt, and Chia Matter Here

- Old-fashioned rolled oats — Their flakes soften overnight but keep more shape than quick oats, giving the mixture some texture instead of blending into a smooth pudding. A standard store-brand rolled oat works well; there’s no need for a specialty brand.
- Pumpkin puree — Use plain puree, not pumpkin pie filling. The puree brings earthy pumpkin flavor and a thick base, while the recipe’s maple syrup and pumpkin pie spice keep control of the sweetness and seasoning.
- Plain Greek yogurt — Greek yogurt contributes tang and a creamy, substantial texture. Plain is the best choice here because a flavored yogurt can change the sweetness and compete with the pumpkin spice.
- Milk and chia seeds — Milk gives the oats enough liquid to soften, and chia seeds help thicken the mixture as it rests. Any regular dairy milk works; the chia seeds are small, but they make a noticeable difference in how the oats set.
- Maple syrup, pumpkin pie spice, and vanilla — Maple syrup sweetens without burying the pumpkin, while the spice and vanilla round out the pie-inspired flavor. Pure maple syrup has a clean flavor; pancake syrup will make the result taste different.
- Kosher salt — A small pinch keeps the sweetness from tasting flat and helps the spice come through. It’s easy to overlook, but I wouldn’t leave it out.
Mix, Chill, and Serve: The Three Parts That Set the Texture
Stir Until the Pumpkin Is Fully Incorporated
Add the oats, pumpkin puree, milk, Greek yogurt, maple syrup, chia seeds, pumpkin pie spice, vanilla, and salt to a 1-quart airtight container. Stir until the mixture looks even from top to bottom, scraping the sides so no thick pumpkin is left behind. The chia seeds should be distributed throughout rather than gathered in one patch. An even mix gives every serving the same balance of oats, pumpkin, and spice.
Let the Oats and Chia Soften in the Refrigerator
Cover the container and refrigerate for at least 6 hours or overnight. The mixture is ready when the oats and chia seeds have softened and the overall texture is thick. It will set gradually, so don’t expect the full texture while it’s freshly mixed. If it still looks loose at the six-hour mark, leave it chilling longer until it thickens.
Stir Again Before Dividing
Give the chilled oats a thorough stir before serving; the mixture can settle as it rests. Divide it between two bowls and serve cold. If the texture seems especially thick after chilling, stirring will loosen it slightly and bring the pumpkin and yogurt back together. The finished oats should be creamy, with soft flakes rather than a dry or stiff mass.
Easy Changes for a Different Bowl of Pumpkin Pie Oats
Make It Dairy-Free
Replace the milk with unsweetened dairy-free milk and use plain dairy-free Greek-style yogurt in place of the regular yogurt. The oats will still thicken as they chill, though the final mixture may be less tangy and creamy depending on the yogurt you choose.
Dial Back the Maple Sweetness
Use 1 tablespoon of maple syrup instead of 2 for a less-sweet bowl. The pumpkin and spice will taste more pronounced, and the oats will still set because the syrup isn’t what thickens them.
Keep the Spice Gentle
For a milder, more pumpkin-forward bowl, use 3/4 teaspoon of pumpkin pie spice instead of 1 teaspoon. You’ll still get a warm spiced note, but it won’t lead every bite.
Storage and Serving
- Refrigerator: Keep the oats covered in an airtight container and eat within 3 days. They’ll continue to thicken as they sit, so stir before serving.
- Freezer: Freezing isn’t my first choice for this mixture. The yogurt can separate as it thaws, leaving the oats less creamy.
- Serving: These oats are meant to be served cold. Stir them well after chilling and divide between two bowls; if they’ve thickened more than you like, stir in a small splash of milk.
Questions I Get Asked About Pumpkin Pie Overnight Oats

Pumpkin Pie Overnight Oats
Ingredients
Equipment
Method
- In a 1-quart airtight container, stir together the oats, pumpkin puree, milk, Greek yogurt, maple syrup, chia seeds, pumpkin pie spice, vanilla, and salt until evenly combined.
- Cover and refrigerate for at least 6 hours or overnight, until the oats and chia seeds have softened and the mixture is thick.
- Stir well.
- Divide between two bowls to serve cold.


