Blueberry S'mores Pie

Blueberry S'mores Pie
⏱️ cook time 35 minutes
🍽️ servings 8
⚡ Difficulty easy

intro

A fruity, gooey twist on the iconic campfire s'more, this pie layers buttery graham crust, bright blueberry compote, melted chocolate, and toasty marshmallows.

Ingredients

Graham cracker crumbs 1 ½ cups (150g)
Unsalted butter, melted 6 tablespoons (85g)
Granulated sugar 3 tablespoons (38g)
Fresh blueberries 2 cups (300g)
Cornstarch 1 tablespoon (8g)
Fresh lemon juice 1 teaspoon (5ml)
Semi-sweet chocolate chunks 1 ½ cups (260g)
Mini marshmallows 3 cups (150g)

Steps

1

Prep graham cracker crust

Preheat oven to 175°C (350°F). Stir together 1 ½ cups (150g) graham cracker crumbs, 6 tablespoons (85g) melted unsalted butter, and 2 tablespoons (25g) granulated sugar in a medium bowl until the mixture clumps like wet sand. Press firmly into the bottom and 1 inch up the sides of a 9-inch (23cm) glass pie dish. Bake for 10 minutes, then remove and set aside to cool for 5 minutes.

Step 1
step1:Prep graham cracker crust
2

Cook blueberry compote

Place a small stainless steel saucepan over medium heat. Add 2 cups (300g) fresh blueberries, 1 tablespoon (13g) granulated sugar, 1 tablespoon (8g) cornstarch, and 1 teaspoon (5ml) fresh lemon juice to the pan. Stir constantly for 6-8 minutes, until blueberries burst, the liquid thickens to a syrupy consistency, and the mixture bubbles gently. Remove from heat and let cool for 3 minutes.

Step 2
step2:Cook blueberry compote
3

Spread chocolate base layer

Spread 1 cup (173g) of the semi-sweet chocolate chunks evenly over the cooled graham cracker crust. Place the pie dish back in the 175°C (350°F) oven for 2 minutes, just until the chocolate softens and becomes spreadable. Remove from oven, and use a small offset spatula to smooth the chocolate into a flat, even layer across the crust.

Step 3
step3:Spread chocolate base layer
4

Add blueberry compote layer

Pour the slightly cooled blueberry compote directly over the smooth chocolate layer, spreading it gently with a spatula to create an even ½-inch thick layer covering all but a ¼-inch border of chocolate around the pie edge. Take care not to mix the compote into the soft chocolate below.

Step 4
step4:Add blueberry compote layer
5

Add marshmallow topping

Scatter the remaining ½ cup (87g) semi-sweet chocolate chunks evenly over the set blueberry layer, then top with 3 cups (150g) mini marshmallows, arranging them in a tight, even layer that covers the entire pie surface. Leave no gaps between marshmallows for maximum gooeyness when melted.

Step 5
step5:Add marshmallow topping
6

Toast marshmallow topping

Adjust your oven rack to the highest position, 6 inches below the broiler element, and preheat the broiler to high. Place the pie on the top rack and broil for 45-60 seconds, watching constantly, until marshmallows are puffed, golden brown, and dotted with slightly charred edges. Remove immediately to avoid burning the marshmallows.

Step 6
step6:Toast marshmallow topping
7

Rest and serve pie

Let the pie rest at room temperature for 10 minutes to allow the layers to set slightly, so slices hold their shape when cut. Serve warm for the gooiest texture, garnished with extra fresh blueberries if desired.

Step 7
step7:Rest and serve pie

Tips

1.Never leave the pie unattended while broiling—marshmallows can go from perfectly golden to completely burnt in as little as 10 seconds, so keep a close eye the entire time.
2.If using frozen blueberries instead of fresh, add an extra ½ teaspoon of cornstarch to the compote to absorb extra released moisture and prevent a runny filling.
3.For a campfire-friendly version, assemble the pie in a cast iron skillet instead of a glass dish, and toast the marshmallow top over low campfire heat on a grill grate for 1-2 minutes, rotating often for even toasting.

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Blueberry S'mores Pie:Frequently Asked Questions

1.Can I use frozen blueberries instead of fresh for the compote layer?
Absolutely! Frozen blueberries work perfectly here—no need to thaw them first. Just toss them with an extra ½ teaspoon of cornstarch to offset the extra moisture they release as they cook, and simmer 2 to 3 minutes longer until the compote is thick enough to coat the back of a spoon, so it doesn’t make your graham crust soggy.
2.How do I keep my graham cracker crust from getting soggy?
Great question! First, press the crumb, melted butter, and sugar mixture firmly into the pie dish, then blind bake it at 375°F for 8 to 10 minutes and let it cool completely before adding fillings. You can also brush a thin layer of melted chocolate on the cooled crust to create a moisture barrier between the crust and compote.
3.Can I make this pie ahead of time for a party?
You can prep most components 1 day ahead! Bake and fully cool the graham crust, cook and chill the blueberry compote, then store both airtight in the fridge. Assemble and toast the marshmallow top right before serving for the best gooey, toasty texture, since marshmallows get rubbery as they sit long after toasting.
4.What’s the best way to get that perfectly toasty marshmallow top without a campfire?
You don’t need a campfire at all! After piling marshmallows over the chocolate layer, pop the pie under a high broiler for 30 to 60 seconds (watch it like a hawk to avoid burning) or use a small kitchen torch to evenly toast the marshmallow peaks until golden and perfectly melty.
5.Can I substitute graham cracker crumbs for a gluten-free option?
Totally! Swap regular graham cracker crumbs for certified gluten-free graham crumbs, or even crushed gluten-free vanilla wafer cookies for a similar buttery, sweet crust. Keep the melted butter and sugar ratios exactly the same, press firmly, and blind bake as you would the regular crust for a crisp, sturdy base.
6.How much cornstarch do I need for the right blueberry compote consistency?
For 2 cups of fresh blueberries, use 1 tablespoon of cornstarch mixed with 1 tablespoon of cold water to make a smooth slurry before stirring into simmering berries. This gives you a thick, jammy compote that holds its shape when sliced, instead of running all over your plate the second you cut into the pie.
7.Can I use milk chocolate instead of semi-sweet for the chocolate layer?
Of course! Use whatever chocolate you prefer for that classic s'mores vibe. Milk chocolate gives a sweeter, creamier layer that pairs beautifully with tart blueberries, while semi-sweet or 70% dark chocolate adds rich, slightly bitter balance to the sweet marshmallows and sugar in the graham crust.
8.Do I need a special pie dish to make this recipe?
No fancy dish required! A standard 9-inch glass or ceramic pie dish works perfectly. Glass is especially helpful because you can see the bottom of the crust to confirm it’s fully baked and crisp, rather than pale and soggy. Just avoid super thin disposable tins, which can warp under broiler heat.
9.How long does this pie stay fresh after it’s assembled?
For the best texture, eat assembled pie within 24 hours, stored loosely covered in the fridge. The marshmallow top will start to get chewy and firm after that, and the crust will gradually soften from compote moisture. Let slices sit at room temp for 10 minutes before serving to bring out the best gooeyness and flavor.
10.Can I add extra blueberries to the compote for more fruit flavor?
You absolutely can! If you love extra fruity bites, add up to ½ cup more fresh blueberries, just stir in an extra ¼ teaspoon of cornstarch to make sure the compote stays thick enough. Fold the extra berries in during the last minute of cooking so they stay plump and juicy instead of breaking down completely.
11.Why does the recipe call for melted unsalted butter for the graham crust?
Unsalted butter lets you control exactly how much salt goes into your crust—just add a tiny ¼ teaspoon pinch to the crumb mixture for depth, without the random salt levels in salted butter. Melted butter coats every crumb evenly, so the crust presses together firmly and holds its shape when sliced instead of crumbling.
12.Can I use mini marshmallows instead of large marshmallows for the top?
Mini marshmallows work great! Pile them in an even, tight layer over the chocolate so there are no gaps, then toast as usual. They’ll melt a little faster than large marshmallows under the broiler or torch, so keep an extra close eye on them to make sure they don’t char too quickly before centers get gooey.
13.Should I let the pie cool before slicing it?
Yes! Let the assembled, toasted pie rest for 10 to 15 minutes at room temperature before slicing. This gives the warm chocolate and melted marshmallow time to set just enough so your slices hold clean, distinct layers of crust, compote, chocolate, and marshmallow, instead of oozing apart the second you cut into them.
14.Can I make this with less granulated sugar for a less sweet pie?
You can easily cut the granulated sugar in the crust by half, and skip extra sugar in the compote if your blueberries are very ripe and sweet. The chocolate and marshmallows already add plenty of classic s'mores sweetness, so you won’t lose that iconic flavor, and the tart blueberries will shine a little more.
15.What’s a quick fix if my blueberry compote turns out too runny?
No need to panic! Mix an extra ½ teaspoon of cornstarch with a teaspoon of cold water to make a smooth slurry, stir it into the simmering compote, and cook for 1 more minute until it thickens up. If it’s still thin after assembling, pop the pie in the fridge for 30 minutes to help the compote set before adding marshmallows.

Comments (11)

2 days ago

OMG y’all, this blueberry s’mores pie was an absolute hit at our 4th of July cookout! I was nervous the blueberries would make it too soggy but nope, the graham cracker crust stayed perfectly crisp, and that marshmallow top got so golden and toasty. My kids begged for seconds before they even finished their first slice!

yesterday

Did you use fresh or frozen blueberries? I only have a bag of frozen in my freezer right now and wanna make this for my book club tomorrow!

yesterday

So glad your family loved it! Frozen blueberries work perfectly here — just toss them with a tiny extra teaspoon of cornstarch to soak up any extra juice so the crust stays crisp, and you’re good to go!

1 week ago

Game. Changer. I’ve made regular s’mores pie a million times for camping trips but adding blueberries? Genius. The tartness cuts through all that sweet chocolate and marshmallow so perfectly, it doesn’t leave you feeling like you ate a whole bag of candy after one slice. Took me exactly 35 minutes like the recipe said, super easy even for someone who burns toast half the time lmao.

5 days ago

Love that you took this camping! We’ve made it over the campfire in a cast iron pie iron too and it slaps, highly recommend for your next trip!

3 days ago

Made this in my dorm kitchen with my tiny countertop toaster oven and it still came out SO good. Grabbed a pre-made graham cracker crust to save time, and even had to toast the marshmallow top with my kitchen torch (don’t tell my RA) since my oven doesn’t have a broil setting. My roommate ate half the pie in one sitting, no cap. Only knocking off one star because I wish there was a quick note for toaster oven bake times — I had to guess and added 5 extra minutes to get the filling set! 10/10 would make again for our floor potluck next month.

5 days ago

I brought this to our church potluck last Sunday and people were asking me for the recipe before we even got to the dessert table! The combination of warm blueberries, melted milk chocolate, and gooey marshmallow is just unbeatable. I did add a little extra cinnamon to the graham cracker crust because I’m extra like that, and it was chef’s kiss. My picky 7 year old even ate the blueberry part, which is a miracle in this house.

3 days ago

Wait the cinnamon addition sounds insane! How much did you add? I’m making this for my kid’s birthday BBQ this weekend and wanna steal that hack

2 days ago

I only added 1/2 a teaspoon! Just enough to give it that warm cozy vibe without overpowering the blueberries or chocolate. Hope the birthday crew loves it!

2 weeks ago

Y’all weren’t lying about how easy this is. I’m strictly a grill/smoker guy, no fancy baking stuff, and I pulled this off without a single mess. I even threw a handful of fresh blueberries from my backyard bush into the filling, and man, that fresh fruit taste hits different. Topped it with a scoop of vanilla ice cream when it was still warm and my wife said it’s the best dessert I’ve ever made.

1 week ago

Homegrown blueberries? That sounds next level! Serving it warm with vanilla ice cream is exactly how we eat it around here too, total perfection.

1 week ago

Made this for our post-hike potluck in the Rockies last weekend and it was gone in 10 minutes flat. I swapped the milk chocolate for dark chocolate because I prefer less sweet desserts, and it paired so well with the sweet blueberries and marshmallow. Only note: if you’re making this at altitude, add a couple extra minutes to the bake time so the filling sets all the way!

5 days ago

Thanks for the altitude tip! I’m up in the mountains too and always forget to adjust bake times, that’s gonna save me a goopy mess for sure.

3 days ago

Great call on the dark chocolate swap, that’s one of our favorite variations too! And thanks for the altitude tip, we’re gonna add that note to the recipe card for other high-altitude bakers.

yesterday

I’ve been baking pies for 40+ years and I have to say, this is one of the most fun, approachable recipes I’ve tried in ages. It’s not fussy, the ingredient list is short, and the flavor combination feels fresh but still nostalgic, like summer camp and summer berry picking all rolled into one. I made it for my grandkids last weekend and they asked if we can make it a weekly tradition.

30 minutes ago

Wait a second, who gave you the right to combine my two favorite summer desserts into one perfect pie? I was skeptical at first because fruit in s’mores feels wrong, but the burst of blueberry with every bite of chocolate and marshmallow is just chef’s kiss. I made this for my roommate’s birthday and she cried a little, no joke. 10/10, no notes.

5 minutes ago

Ha! We love winning over the blueberry s’mores skeptics — so glad it was a birthday hit!

2 hours ago

Tried this last night for date night and my girlfriend said it’s better than the fancy restaurant dessert we paid $18 for on our last date. Win for me! I did add a layer of blueberry jam under the chocolate to amp up the blueberry flavor even more, and it was *chef’s kiss*. Super easy to throw together after work too, didn’t have to spend hours in the kitchen.

30 minutes ago

The blueberry jam layer is such a good idea! Do you think raspberry jam would work too or would it clash?

5 minutes ago

Raspberry would slap! I almost did a raspberry white chocolate version next, actually. Go for it!

5 minutes ago

I make a new dessert for every neighborhood block party and this one took first place in the dessert contest this year! Beat out 3 other pies and a whole tray of brownies, if you can believe it. People kept coming back for “one more tiny slice” until the pan was completely empty. The best part is it’s so easy, I didn’t even stress about throwing it together between work and the party.

just now

Just pulled this out of the oven and my whole apartment smells like campfire and blueberry muffins, it’s unreal. I was worried the marshmallow top would burn under the broiler but I kept a close eye on it for 2 minutes like the recipe said and it got that perfect golden, toasty top with zero char. Can’t wait to dig in once it cools a little!

just now

That smell is half the fun! Hope it tastes even better than it smells — pro tip: don’t wait too long for it to cool, a warm slice is the best slice.