Party-Ready Frozen No-Bake S’mores Bars (No Campfire Needed)

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Every summer, my family does a big backyard cookout, and s'mores are basically non-negotiable. The problem is juggling marshmallows on sticks while also trying to hold a conversation — so a few years ago I started making these frozen s'mores bars instead, and honestly, nobody misses the campfire.

They come together with no oven, no flame, and no fuss. Just a handful of pantry staples, a little melting and layering, and your freezer does the rest.

Party-Ready Frozen No-Bake S'mores Bars (No Campfire Needed)

Party-Ready Frozen No-Bake S'mores Bars (No Campfire Needed)

All the gooey, chocolatey campfire magic of s'mores packed into a freezer-friendly bar you can make days ahead.

4.5 (224 reviews)
Vegetarian
Prep20 min
Freeze Time4 hr
Total4 hr 20 min
Serves16 bars
LevelEasy

Ingredients

Graham Cracker Crust

Chocolate Fudge Layer

Marshmallow Layer

Topping

Instructions

Make the Crust

1
Line a 9x13-inch baking pan with parchment paper, leaving some overhang on the sides so you can lift the bars out easily.
2
In a medium bowl, stir together the graham cracker crumbs, melted butter, and sugar until the mixture looks like wet sand and holds together when pressed.
3
Press the crust firmly and evenly into the bottom of the prepared pan. Use the bottom of a flat measuring cup to really pack it down. Set aside.

Make the Chocolate Fudge Layer

4
Place the chocolate chips and butter in a heatproof bowl.
5
Heat the heavy cream in a small saucepan over medium heat just until it begins to simmer around the edges u2014 do not let it boil.
6
Pour the hot cream over the chocolate chips and let it sit undisturbed for 2 minutes, then stir slowly from the center outward until completely smooth and glossy.
7
Stir in the vanilla extract.
8
Pour the chocolate ganache evenly over the crust and spread it gently with a spatula. Transfer the pan to the freezer for 30 minutes until the chocolate layer is set.

Make the Marshmallow Layer

9
In a medium saucepan over low heat, melt the butter. Add 2 cups of the mini marshmallows and stir constantly until they are completely melted and smooth.
10
Remove from heat and stir in the marshmallow fluff and pinch of salt until fully combined. The mixture will be thick and sticky.
11
Let it cool for about 5 minutes so it doesn't melt the chocolate layer beneath it, then fold in the remaining 1 cup of mini marshmallows for texture.
12
Carefully spread the marshmallow mixture over the set chocolate layer, working quickly because it will start to firm up as it cools.

Add the Toppings and Freeze

13
Sprinkle the graham cracker crumbs evenly over the marshmallow layer and press them lightly so they stick.
14
Scatter the extra mini marshmallows across the top.
15
If using, melt the remaining chocolate chips in the microwave in 20-second bursts, stirring between each, until smooth. Drizzle over the top with a spoon or fork.
16
Cover the pan tightly with plastic wrap and freeze for at least 4 hours, or overnight for best results.
17
When ready to serve, lift the bars out using the parchment overhang. Let them sit at room temperature for 5 minutes, then slice into 16 bars with a sharp knife. Wipe the knife clean between cuts for the neatest edges.

Tips & Notes

  • For the cleanest slices, run your knife under hot water, wipe it dry, then cut. Repeat between each cut.
  • These bars are best served slightly thawed u2014 pull them from the freezer 5 to 10 minutes before serving so the marshmallow layer softens just a little.
  • Want a toasted marshmallow flavor? After plating individual bars, use a kitchen torch to lightly toast the marshmallows on top. It takes 10 seconds and people absolutely lose their minds over it.
  • Use dark chocolate chips instead of semi-sweet for a more intense, less sweet bar u2014 pairs really well with the marshmallow layer.
  • If your marshmallow layer is too stiff to spread, warm it for an extra 30 seconds on very low heat and stir gently before pouring.
  • Make sure your ganache layer is fully set before adding the marshmallow layer or you will get them mixing together at the edges.
Storage: Store bars in an airtight container in the freezer for up to 2 weeks. Place parchment paper between layers to prevent sticking. You can also refrigerate them for a softer texture, where they will keep for up to 5 days.

Nutrition per serving · estimated

345 Cal
18g Fat
44g Carbs
3g Protein
1g Fiber
28g Sugar
160mg Sodium

Why These Are My Go-To Party Dessert

The best thing about these bars — aside from the obvious fact that they taste like a perfect s'more — is that you can make them two or three days before your party and just pull them out when you need them. No last-minute baking, no melted frosting disasters in summer heat, no standing over a stove while your guests arrive.

They also travel surprisingly well if you keep them in a cooler. Bring them to a potluck, a pool party, or a school event, and they hold their shape far better than you would expect from something this indulgent.

Getting the Layers Just Right

The only real trick here is patience between layers. The ganache needs those 30 minutes in the freezer to firm up enough that the warm marshmallow layer doesn't sink straight through it. Skipping that step is the one thing that can make these bars look less than perfect, so set a timer and walk away.

The marshmallow layer itself is thick, sticky, and a little stubborn — an offset spatula or a butter knife dipped in warm water makes spreading it much easier. Don't stress if it looks a little rough on top because the graham cracker crumb topping covers everything beautifully.

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