Name: S’mores Overnight Oats Recipe
Prep time: 15 min
Total time: 6 h 15 min
Cuisine: American
Ingredients: 1 cup old-fashioned oats; 1 tablespoon chia seeds; ½ tablespoon graham cracker crumbs; pinch of kosher salt; 1 cup milk (any variety works); ½ teaspoon vanilla extract; 2 tablespoons dehydrated mini marshmallows; Mini marshmallows (regular or dehydrated, as preferred); Graham cracker crumbs; Chocolate-covered graham crackers

Jump to Recipe· 3.9 from 40 reviews

If you've ever dreamed of having dessert for breakfast without any guilt, this S’mores Overnight Oats Recipe is your new best friend. Imagine waking up to a creamy, chewy bowl of oats bursting with sweet little pockets of marshmallow, the warm hint of vanilla, and the irresistible crunch of graham cracker crumbs, all mingling with the smoothness of milk. It’s like the campfire classic s’mores got a cozy, wholesome makeover you can enjoy anytime. Whether you're rushing out the door or looking to treat yourself, this recipe makes mornings something to look forward to.

Ingredients You'll Need

A clear glass jar is filled with a single layer of light beige oatmeal soaked in creamy milk, topped evenly with small white marshmallows and scattered chunks of dark brown chocolate pieces with crumbly beige cookie bits mixed throughout. The jar sits on a white marbled surface with a golden spoon blurred in the background to the top right. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are wonderfully simple yet essential for that perfect blend of flavors and textures. Each component plays a part in creating the iconic s’mores taste while keeping your oats satisfying and nutritious.

1 cup old-fashioned oats: Provides a hearty, chewy texture that’s perfect for soaking up all the delicious flavors.
1 tablespoon chia seeds: Adds thickness and a boost of nutrients to keep you energized well into the day.
½ tablespoon graham cracker crumbs: Infuses that unmistakable sweet crunch reminiscent of classic s’mores.
Pinch of kosher salt: Balances sweetness and enhances the overall flavor profile.
1 cup milk, any variety works: The creamy base that softens the oats and blends everything seamlessly.
½ teaspoon vanilla extract: Gives a warm, aromatic note that lifts the whole dish.
2 tablespoons dehydrated mini marshmallows: Adds bursts of sweet, toasted flavor without making the oats soggy.
Toppings (mini marshmallows, graham cracker crumbs, chocolate covered grahams): A fun finishing touch that makes the dish feel extra special.

How to Make S’mores Overnight Oats Recipe

Step 1: Mix the Dry Ingredients

Start by combining the old-fashioned oats, chia seeds, graham cracker crumbs, and a pinch of kosher salt in your favorite bowl or jar. Stirring these dry ingredients first ensures that every spoonful gets a perfect distribution of flavor and texture, setting the foundation for a delicious morning treat.

Step 2: Add the Wet Ingredients

Next, pour in the milk and vanilla extract. Give everything a good stir to incorporate the creamy elements with the dry mix. The vanilla extract adds that subtle warmth and depth, making each bite taste like a cozy hug.

Step 3: Fold in the Marshmallows

Gently stir in the dehydrated mini marshmallows. These little bursts of sweetness melt slightly while the oats soak, giving you those delightful pockets of gooey flavor you crave in a s’mores-inspired dish. If you're using regular soft marshmallows instead, consider adding a teaspoon of honey or maple syrup to balance the moisture and sweetness.

Step 4: Refrigerate Overnight

Cover the jar or bowl with a lid or plastic wrap, then pop it in the refrigerator for at least 6 to 8 hours. This chilling time is where the magic happens — the oats swell up, the chia seeds thicken the mixture, and the flavors meld into a creamy, dreamy breakfast masterpiece.

How to Serve S’mores Overnight Oats Recipe

A clear glass bowl holds a mixture of light beige liquid filling the base, sprinkled with small black seeds around the edges. On top, there are two piles: one of tiny white marshmallows placed near the center and another smaller pile of fine golden-brown crumbs next to the marshmallows. The bowl sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Before digging in, sprinkle on some extra mini marshmallows, more graham cracker crumbs, and if possible, a few chocolate covered grahams. This topping combo adds crunch, sweetness, and a touch of nostalgia, making every bite feel like a mini celebration.

Side Dishes

Pair your s’mores oats with fresh fruit like strawberries or banana slices for a refreshing contrast. A cup of bold coffee or even a chai latte complements the sweet richness with a nice warmth and spice boost to your morning routine.

Creative Ways to Present

Serve your S’mores Overnight Oats Recipe in mason jars for an adorable grab-and-go breakfast, or layer the oats with yogurt and chocolate chips in clear glasses for a pretty parfait effect. Even topping with a drizzle of melted chocolate or a sprinkle of toasted coconut can turn this simple meal into something extraordinary.

Make Ahead and Storage

Storing Leftovers

You can keep your prepared oats covered in the fridge for up to 3 days. Give them a quick stir before eating to refresh the textures, and if the oats thicken too much, a splash of milk can help loosen them up.

Freezing

Freezing overnight oats isn’t usually recommended because the texture changes when thawed, causing them to become watery or mushy. It’s best to enjoy this S’mores Overnight Oats Recipe fresh within a few days of making it.

Reheating

If you prefer a warm breakfast, gently microwave the oats for about 30 seconds to 1 minute until warmed through. Add a bit of milk if it seems too thick, and toss in fresh marshmallows on top to get that melty campfire effect.

FAQs

Can I use regular mini marshmallows instead of dehydrated ones?

Absolutely! Using regular mini marshmallows works fine but may affect the texture, making it a bit softer. You might want to add a teaspoon of honey or maple syrup to balance the moisture and sweetness.

What type of milk works best for this recipe?

Any milk you like can be used — dairy, almond, oat, soy, or coconut milk all work beautifully. Each will subtly influence the flavor, so feel free to experiment!

How long should I soak the oats?

At least 6 to 8 hours is ideal to allow the oats and chia seeds to soften and absorb the flavors fully. Overnight is perfect and hassle-free.

Can I make this recipe vegan?

Yes! Use plant-based milk and make sure any toppings like chocolate covered grahams are dairy-free. The recipe is naturally adaptable for a vegan diet.

What’s the best way to add chocolate flavor?

The chocolate covered grahams on top are a fantastic way to get that rich taste, but you can also mix in a spoonful of cocoa powder with the oats or sprinkle chocolate chips before serving.

Final Thoughts

Honestly, this S’mores Overnight Oats Recipe is one of those breakfasts that feels like a sweet indulgence but is so easy and wholesome to make. It’s a fun twist on a campfire favorite that turns your morning into a mini celebration. Give it a try, and I promise you’ll wake up looking forward to breakfast every day!