How to make S’mores in the Oven (Indoor Smores)

Indoor s’mores are roasty, toasty, gooey s’mores… made at home! Allow your guests to roast their own marshmallows or bake these treats in advance for a stunning party dessert that’s delicious and unique!

2024 Update: This recipe was originally shared in November 2014 as a part of a virtual baby shower. The recipe and post have been updated to include new photos, as well as a LOT more tips and tricks. I hope you love them!

Indoor S’mores: 

No campfire or fire pit? No problem. You can make this twist on a classic s’mores dessert recipe indoors! (And no, we’re not microwaving them — we’ll save that trick for Peeps in the springtime…) 

Whether it’s too hot or too cold out, or you simply can’t have an open fire or flame where you live, then you’re not out of luck when it comes to s’mores.

When you’re inside, s’mores can be made two ways: By guests at the table using a kitchen torch or in the oven. 

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These s’mores would also be an exciting treat and activity for guests to make together, toasting marshmallows to their personal favorite char level, and then putting the slightly messy dessert together and enjoying, mess and all. (Hopefully with a s’mores martini on the side.)

Why I love this recipe:

I’m obsessed with this s’mores recipe because it has all the goodness of the classic campfire treat, made in the comfort of your own home. So whether it’s a rainy day or you’re not an outdoorsy person, you can still enjoy the flavors of the treat.

Over the years, I’ve perfected two methods for making oven baked s’mores. More on that below.

Here are some more things to love about this easy dessert recipe:

• This is great for the people who can’t have a campfire (me) or the ones who don’t physically have one but want the flavor and nostalgic vibes of a good gooey s’more.
• The entire family will love these, no matter when you make ’em. I have it on good authority that these are a fabulous dessert for movie nights.
• Get creative with variations like flavored marshmallows and chocolate candies. (More ideas below!)

More party recipes to try: Hot Chocolate Board | Spicy Cheddar Fondue | Hot Chocolate Board | Easy Snack Board

What you need to make this recipe:

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• Sheet pan or rimmed cookie sheet
• Knife, for chopping chocolate
• S’mores sticks (optional) 
• Butane torch (optional) 
• Metal spatula
• Tongs 

Here’s what you’ll need to grab at the grocery store:

• Large marshmallows — these can work with the mini marshmallows but I prefer the large ones because they’re more compact. The mini ones can fall off your s’mores as they expand. Store-bought marshmallows are perfectly acceptable and what I used here, though you can definitely use your favorite homemade marshmallow recipe, too.
• Chocolate bars — use your fave. We had Hershey bars in our house, so that’s what we used. However, I put my favorite options below!
• Graham crackers — the classic kind is delicious, but you could have fun with cinnamon-flavored or chocolate graham crackers! I like to have several graham cracker sheets when making these en mass, but be sure to break them into individual crackers.

Customizing s’mores  

Classic graham crackers, jumbo marshmallows and classic Hersheys bars are always a winning combination. They are all easy-to-find ingredients and familiar for everyone. 

But you can get more creative than that with some different ingredients! Here are some other ideas:

• Graham crackers: Honey, cinnamon, chocolate, vanilla, birthday cake — or substitute cookies like classic chocolate chip or shortbread cookies. You could also use Ritz crackers for a buttery substitute.
• Chocolate layer: Milk chocolate, dark chocolate, white chocolate, peanut butter cups, Andes mints, hazelnut chocolate or any other chocolate bar you can think of! You could even use chocolate chips in a pinch. 
• Marshmallows: Classic marshmallows, bourbon marshmallows, strawberry marshmallows, peppermint marshmallows, cinnamon marshmallows are all options. Big square marshmallows fit perfectly on top of a graham cracker.
• Other options: I added a caramel square to some of our s’mores, and it was a delightfully sweet addition!

How to make s’mores indoors: Two ways 

Indoor s’mores are utterly delightful. I learned how to make these at a camp where I worked for two summers. I worked on the ropes course team, and we helped make s’mores for the campers every session… 

Except there were too many s’mores needed to efficiently make them outdoors, so we baked the sweet treats instead. Genius, right? 

But there’s another way to make indoor s’mores — with a kitchen torch! It’s a bit trickier, requires some more monitoring and is not wise if kids are around… but it’s super cool and a great party trick. 

We’ll go over both methods below. 

1. How to make smores in the oven (and in advance)

This oven-baked version is great for kids. It’s also an easy way to make s’mores en masse. You can even make them ahead of time — or partially so, so they’re perfectly melty for everyone all at once at the right time. (See below for info on making ahead.) 

To make s’mores in the oven, here’s what to do: 

Preheat the oven to 425°F (220°C), and line a baking sheet with aluminum foil or parchment paper.

Prepare the s’mores. Place the Graham crackers in two rows, making sure the number is even in each. Place one row upside down and one row right side up. You’ll place the right side up side on top of the upside down one after baking.

Add the fillings. On one row of Graham crackers, place the chocolate bars in the middle.

Place the marshmallows in the center of the chocolate bars.

Bake! Transfer the baking sheet to the oven, and bake for 5-6 minutes, or until the marshmallows have bubbled up and are golden brown, but not burned. 

Keep a close eye on them through the oven door because we do not want to cook them for too long. Remove from the oven. 

Assemble the s’mores. Using a spatula or tongs, turn the empty Graham crackers on top of the marshmallow-and-chocolate-topped pieces. 

Serve warm, and enjoy!

2. Let guests build their own s’mores

Guests can also prepare their own! Like they would at a campfire, only inside! Or you can set up a station to make them for your guests, which is a smart move if you’re hosting kids. 

Set out the ingredients for the s’mores on a large platter, as well as skewers for guests to roast the marshmallows on.

Place a kitchen torch or candle on the table. And be sure to have someone watching it is in use so no one is burned and/or accidentally burns the table/ingredients/house down! 

To toast the marshmallow, put a skewer partway through a marshmallow. Hold in your non-dominant hand. With your dominant hand, aim the flame at the marshmallow from a few inches away, turning the skewer back and forth to evenly toast it. Go slow! 

Make the s’mores! Let guests doctor up their own s’more sandwiches with their favorite flavors and enjoy warm! 

Making s’mores in advance

While it’s fun to make these together with a kitchen torch inside, I understand if you’d rather make these in bulk and not have an open flame on your buffet table (or wherever you’re serving the desserts). 

I get it — that can require too much monitoring to ensure everything goes off without a hitch, and you want to enjoy the party, too! So… make the call you think is right for your guests and your own home. 

To make these even more in advance, prepare the baking sheet with grahams and marshmallows about an hour before the party. Cover with plastic wrap so the air doesn’t get to them. 

They only take about 7 minutes to bake, so try to pull them out of the oven just after guests arrive or just before dessert. Everyone loves a gooey s’more, but when the gooey marshmallows cool, they tend to get a bit stiff.

How to store leftovers:

Since marshmallows stiffen up as they cool, it’s best to enjoy them fresh.

However, if you have leftover smores, you can store them in an airtight container and reheat on a microwave-safe plate in the microwave for 20-second bursts until warmed through.

Erin’s Easy Entertaining Tips

Want to entertain with these easy oven s’mores? You absolutely should!

This recipe is a great way to add some nostalgic flavors and fun into any gathering.

​Here are some ways to keep it interesting:

• Host a s’mores competition. Rate each other’s toasting skills or see who has the best (or worst) flavor combo!  
• Keep a fire extinguisher nearby. You know, just in case. 
• Be sure to check your butane levels before the party and have a backup canister so you don’t run out. 
• Plan to make a few batches. ​Since you can partially assemble s’mores on a sheet pan before toasting, you can plan to make a few different rounds with different flavors, depending on the size of your gathering.

Frequently Asked Questions

Quick tips and tricks to making the best s’mores

• Try a variety of flavors to improve upon the classic combo! 
• When using a butane torch, don’t go too fast or you can burn the marshmallow too quickly before the interior is heated through. 
• When using the oven, pull them out of the oven just after guests arrive or just before dessert. You want them to be gooey and warm!

More dessert recipes:

• Chocolate Cheesecake Dip
• Mint S’mores Bars
• Dessert Nachos 
• Cinnamon Sugar Pretzels

Here’s how I made mine: