There’s just something magical about no bake s’more bars with oatmeal , that gooey chocolate, soft marshmallow, and sweet crunch takes me right back to summer nights by the fire. But honestly? I don’t always have a fire… or the time to deal with baking anything.
That’s why these no bake s’more bars with oatmeal are such a win in my kitchen. We keep all the cozy campfire flavors, but use rolled oats as the base instead of graham crackers. It makes them heartier, naturally sweet, and totally no-fuss. Perfect for busy snack times, lunchbox treats, or late-night cravings when you want something soft, chewy, and nostalgic , without turning on the oven.
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The Story or Smart Idea Behind No Bake S’more Bars with Oatmeal
Classic s’mores are usually made with graham crackers, toasted marshmallows, and melty chocolate , but that usually means campfires, grills, or at least a stovetop. Not exactly practical when you’re in a rush or craving something sweet at home.
Swapping the cracker base for rolled oats makes these bars way more convenient and just as comforting. Oats bring a soft, chewy texture and a slightly nutty flavor that pairs beautifully with mini marshmallows and chocolate chips. Plus, you don’t need to bake or toast anything. A quick melt in the microwave is all it takes.
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No Bake S’more Bars with Oatmeal : Easy, Chewy & Cozy Treat
- Total Time: 1 hour 10 minutes
- Yield: 12 bars 1x
Description
These no bake s’more bars with oatmeal are chewy, chocolatey, and made with just 5 simple ingredients — a cozy no-cook treat everyone will love.
Ingredients
2 ½ cups rolled oats
1 cup mini marshmallows (plus more for topping)
1 cup chocolate chips
½ cup peanut butter (or almond butter)
⅓ cup honey or maple syrup
½ teaspoon vanilla extract
¼ teaspoon salt
Optional: ¼ cup crushed graham crackers (for topping)
Instructions
1. In a large mixing bowl, add the rolled oats and a pinch of salt. Set aside.
2. In a microwave-safe bowl, combine the peanut butter, honey (or maple syrup), and vanilla extract. Microwave for 30–45 seconds, then stir until smooth.
3. Pour the warm mixture over the oats and mix until everything is coated.
4. Let the oat mixture cool slightly, then fold in the mini marshmallows and chocolate chips.
5. Line an 8×8 inch pan with parchment paper and press the mixture into an even layer.
6. Sprinkle extra marshmallows and crushed graham crackers on top (if using), gently pressing them into the surface.
7. Chill in the fridge for at least 1 hour, or until firm enough to slice.
8. Cut into bars and enjoy! Store leftovers in an airtight container in the fridge for up to 5 days.
Notes
Swap peanut butter for sunflower seed butter to make it nut-free.
Drizzle melted chocolate on top before chilling for extra sweetness.
Add ¼ cup chopped pretzels or coconut flakes for crunch.
- Prep Time: 10 minutes
- Cook Time: 0 minutes
- Category: Snacks
- Method: No Cook
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 210
- Sugar: 14g
- Sodium: 70mg
- Fat: 10g
- Saturated Fat: 4g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 26g
- Fiber: 3g
- Protein: 4g
- Cholesterol: 0mg
Keywords: no bake s’more bars, oatmeal, chewy bars, no cook dessert
Fact:
Did you know rolled oats can actually help bind no-bake bars without flour or eggs? They soak up moisture from the melted chocolate and marshmallows to hold everything together naturally.
Jena’s Tip:
If you want extra s’mores flavor, mix crushed graham crackers into the oat layer , or just sprinkle some on top before chilling!
You’ll also love that these bars are easy to customize , and packed with pantry staples like oats, chocolate, and marshmallows.
Why You’ll Love These No Bake S’more Bars with Oatmeal
If you’re anything like me, you love a treat that feels a little nostalgic and a little practical. These bars check every box:
- No oven required (hello, summer heat!)
- Made with simple pantry staples like oats, marshmallows, and chocolate chips
- Easy to prep ahead for snacks, school lunches, or late-night sweets
- Soft, chewy, and satisfying — like a warm hug in bar form
Whether you’re making them for your kids or just sneaking a little square with your afternoon coffee, these bars bring the magic of s’mores into everyday life… no campfire needed.
How to Make No Bake Smore Bars with Oatmeal
Prep Time: 10 minutes
Chill Time: 1 hour
Total Time: 1 hour 10 minutes
Yield: 12 bars
Ingredients
- 2 ½ cups rolled oats
- 1 cup mini marshmallows (plus more for topping)
- 1 cup chocolate chips
- ½ cup peanut butter (or almond butter)
- ⅓ cup honey or maple syrup
- ¼ teaspoon salt
- ½ teaspoon vanilla extract
- Optional: ¼ cup crushed graham crackers (for topping)

Instructions
- In a large mixing bowl, add the rolled oats and a pinch of salt. Set aside.
- In a microwave-safe bowl, combine the peanut butter, honey (or maple syrup), and vanilla extract. Microwave for 30–45 seconds, then stir until smooth.
- Pour the warm mixture over the oats and mix until everything is coated.
- Let the oat mixture cool slightly (you don’t want to melt the chocolate too much), then fold in the mini marshmallows and chocolate chips.
- Line an 8×8 inch pan with parchment paper and press the mixture into an even layer.
- Sprinkle extra marshmallows and crushed graham crackers on top (if using), gently pressing them into the surface.
- Chill in the fridge for at least 1 hour, or until firm enough to slice.
- Cut into bars and enjoy! Store leftovers in an airtight container in the fridge for up to 5 days.





Notes & Variation
- Nut-Free? Swap peanut butter for sunflower seed butter. Still creamy, still delicious!
- Extra Sweet Tooth? Drizzle melted chocolate over the top before chilling.
- Add a Crunch: Toss in ¼ cup chopped pretzels or toasted coconut flakes.
Benefits or Mistakes to Avoid
Making no bake bars should feel easy — not fussy. Here are a few tips to keep things cozy and stress-free:
Benefits
- No oven, no stress: Perfect for hot days or tiny kitchens.
- Kid-friendly and lunchbox approved: They hold up well when chilled, and little ones love them.
- Naturally gluten-free (just use certified gluten-free oats).
Mistakes to Avoid
- Adding chocolate too soon: Let the oat mixture cool slightly before folding in the chips — or they’ll melt into a chocolatey swirl. (Still tasty, just less pretty.)
- Skipping the chill time: These bars need at least an hour to set up. If you’re in a rush, pop them in the freezer for 20 minutes.
- Using quick oats: Stick with rolled oats for that chewy texture. Quick oats can turn mushy.
Looking for more no-cook treats? Try my No Bake Peanut Butter Oatmeal Energy Balls , they’re rich, fudgy, and perfect for chocolate lovers.
A No-Bake Treat You’ll Make Again and Again
The best part about these no bake s’more bars with oatmeal? They come together in minutes and always disappear just as fast. Whether you’re meal prepping for the week or pulling something together last-minute, this recipe brings those sweet campfire vibes to your kitchen , no flames required.
I love making a batch on Sunday, knowing I’ve got something homemade and comforting waiting in the fridge all week long. And every time I share them, someone always asks for the recipe (so you might want to save the link ).
FAQ: No Bake S’more Bars with Oatmeal
Can I use quick oats instead of rolled oats?
You can, but the texture will be much softer and a bit mushier. For that classic chewy bite, rolled oats are definitely the better choice in no bake s’more bars with oatmeal.
Do no bake s’more bars need to be refrigerated?
Yes! Since there’s no baking involved, you’ll want to refrigerate the bars to help them set. I recommend at least 1 hour in the fridge before slicing, and store any leftovers chilled for best texture.
Can I make these bars dairy-free?
Absolutely. Just use dairy-free chocolate chips and make sure your marshmallows are vegan-friendly. The rest of the ingredients in these no bake s’more bars are easy to customize to your needs.
Why are my no bake bars too sticky or soft?
This usually happens when there’s too much moisture or not enough chill time. Make sure to measure your honey or syrup carefully, and press the bars firmly into the pan before refrigerating.
Can I freeze these oatmeal s’more bars?
Yes! Slice them into bars, wrap individually, and store in a freezer-safe container. Let them thaw in the fridge or at room temp for 10–15 minutes before eating.
Conclusion: No Bake S’more Bars with Oatmeal
These no bake s’more bars with oatmeal are everything I love in a sweet treat , simple, nostalgic, and ready in no time. They’re the kind of snack that makes a regular Tuesday feel a little more special (especially with a cup of coffee or a big glass of milk on the side!).
Whether you’re making them with your kids or sneaking a bite between chores, I hope these bars bring a little campfire magic into your everyday moments , no oven or firepit required.
If you give them a try, let me know in the comments!
👉 What’s your favorite no-bake snack to keep in the fridge?