Baked Oven S’mores (Easy Recipe)
For oven s’mores, layer graham crackers, about 12 ounces of chocolate, and 18–24 marshmallows in a 9 × 13-inch oven-safe pan. Bake at 400°F for 5–7 minutes, then broil for 30–90 seconds if you want a toasted top. Watch the broiler the whole time, rest the pan for 5 minutes, and serve warm.
The appeal is simple: you get the familiar chocolate, cracker, and marshmallow combination without building a fire or toasting each treat by hand. The main challenge is timing. Chocolate can stay firm while marshmallows brown quickly, and not every pan is safe under a broiler.
I use a short bake to warm the layers, then add broiling only if I want more color. The steps below help you choose a pan, judge doneness, and serve the dessert with less guesswork.
Pan selection, material limits, and setup
The pan matters because it affects how the ingredients heat and whether the dish can safely go under the broiler. Use a 9 × 13-inch pan rated for your oven temperature. Check its maker’s instructions before broiling, since oven-safe does not always mean broiler-safe.
Uncoated aluminum or stainless steel is a practical choice when the pan is rated for the heat. Cast iron also works, but it holds heat longer, so the dessert may keep cooking after you take it out. Glass and ceramic vary by product; use them only within the maker’s oven and broiler limits. Many are not broiler-safe. Do not put PTFE-coated cookware under a broiler unless its maker expressly allows it.
Set an oven rack in the upper-middle position and heat the oven to 400°F (204°C). If the pan has a lower temperature limit, follow that limit. Before you start, make sure you have a dry, heat-safe place to set the hot pan.
| Pan type | What to check | Practical note |
|---|---|---|
| Uncoated aluminum | Oven and broiler rating | A useful option if the maker permits both steps |
| Stainless steel | Oven and broiler rating | Check handles and any attached parts, too |
| Cast iron | Broiler and oven rating | Retains heat, so use care when serving |
| Glass or ceramic | Exact product instructions | Do not assume it is safe under a broiler |
| PTFE-coated cookware | Explicit broiler approval | Do not broil unless the maker allows it |
A 9 × 13-inch pan gives room for a single cracker layer and toppings. If your pan is smaller, do not force the full amount into it; use less topping or choose a suitable larger pan. Key step: confirm the pan’s limits before the oven is hot.
Layering, baking, and broiler technique
Layer the crackers, chocolate, and marshmallows so each serving gets some of each. Bake until the chocolate softens and the marshmallows warm, then use a brief broil to brown the tops if desired. The broiler needs close attention because marshmallows can scorch or ignite quickly.
Ingredients and layering
For one 9 × 13-inch pan, gather:
- Graham crackers, enough to cover the bottom in one layer
- About 12 ounces (340 g) chocolate, broken or chopped into pieces
- 18–24 marshmallows
The exact number of crackers depends on their size and how you arrange them. Lay them across the bottom of the pan, breaking a few to fill open spaces. Add the chocolate in an even layer, then arrange the marshmallows on top. Even coverage helps each portion include all three parts.
Chocolate bars, baking chocolate, and chocolate chips can all be used. Pieces of similar size are easier to spread in a layer. If using chips, distribute them across the crackers rather than piling them in the center.
Bake, then brown
Bake at 400°F (204°C) for 5–7 minutes. Start checking at 5 minutes. Look for softened chocolate and warm marshmallows; the tops do not need to be brown yet. Ovens and ingredient sizes vary, so use the visual cues as well as the timer.
If the chocolate still looks firm, give the pan a little more time within the stated range and check again. Avoid relying on marshmallow color alone, since the bake may warm the marshmallows before they turn golden.
For a browned top, switch to broil for 30–90 seconds. Keep your attention on the oven and stop as soon as the marshmallows reach the color you want. A broiler can brown sugar-rich marshmallows quickly, and the exact timing depends on the appliance and distance from the heat. Follow your oven’s instructions for broiling and door position.
If you see uneven browning, rotate the pan only if it is safe to handle. Use oven mitts, and do not reach near an active broiler longer than needed. Key step: treat broiling as a brief finishing step, not a time to walk away.
Practical kitchen scenarios and timing choices
These examples show how to adjust the method to common kitchen situations without changing the core recipe. They are planning scenarios, not fixed bake times for every oven. Use the same doneness cues: softened chocolate, warm marshmallows, and a toasted top only if you choose to broil.
| Situation | What to do | What to watch |
|---|---|---|
| First time using this oven | Check the pan at 5 minutes | Ovens can differ; use visual cues |
| Marshmallows are warm but pale | Broil briefly, checking continuously | Stop when the color suits you |
| Top browns before chocolate seems soft | Stop broiling and use the bake step as needed | Do not chase color with prolonged broiling |
| Using cast iron | Follow the same doneness cues and handle carefully | The pan retains heat after removal |
| Pan is not approved for broiling | Bake only, or use a broiler-safe pan | Never assume a pan is broiler-safe |
In my method, I think of the bake as the warming step and the broil as a color choice. That distinction helps avoid over-browning the marshmallows while waiting for the chocolate to soften. If your pan cannot go under the broiler, you can still serve the baked dessert without a browned top.
Safe cooling, food release, and pan cleaning
A short rest makes the hot chocolate easier to serve and gives it a little time to settle. Move the pan to a dry, heat-safe surface and leave it for 5 minutes. Do not set a hot pan on a cold, wet surface; a sharp temperature change can damage glass or ceramic and may warp metal.
Serve from the pan with a heatproof spatula. There is no need to deglaze it or move the dessert to another dish. The chocolate and marshmallow will be soft, so lift portions gently rather than pressing down hard on the cracker layer.
Wait until the pan has cooled before cleaning. Soak stuck chocolate or sugar with warm water and dish soap, then loosen it with a nonabrasive utensil. Avoid scraping with a tool that could damage the pan’s surface. If using nonstick cookware, skip aerosol cooking spray; residue can build up and affect release.
Key step: let the pan cool on a safe surface before washing or soaking it.
Serving, portioning, and presentation
Serve the dessert warm, while the chocolate is soft. A heatproof spatula lets you lift portions from the pan, though the crackers may break as you serve. For neater portions, allow the full 5-minute rest and cut or lift along the cracker lines where possible.
You can offer the pan at the table if the surface beneath it is heat-safe and everyone knows it is hot. For a group, set out plates and napkins before the pan comes out of the oven. That keeps the serving step simple and helps avoid leaving the marshmallows under the broiler while people get ready.
The recipe is easy to scale in spirit, but the pan size and layer depth affect how the ingredients heat. For a different pan, keep the layers even and check early rather than assuming the same timing will work. Key step: serve soon after the rest, and use care around the hot pan.
Frequently asked questions
These quick answers cover common questions about oven temperature, timing, ingredients, and safe handling. Use your pan maker’s instructions whenever they set a lower heat limit or restrict broiler use.
Can I make oven s’mores without a broiler?
Yes. Bake until the chocolate softens and marshmallows warm. The tops may not brown as much, but the dessert is still ready to serve.
What temperature should I use?
Bake at 400°F (204°C), unless your pan has a lower stated temperature limit. Check the pan’s instructions before heating it.
How long do they bake?
Bake for 5–7 minutes, checking at 5 minutes. Look for softened chocolate and warm marshmallows.
How long should I broil them?
Broil for 30–90 seconds, watching continuously. Stop as soon as the marshmallows reach your preferred color.
Can I use a glass baking dish?
Only if the maker says it is suitable for the oven temperature and broiler step you plan to use. Many glass dishes are not broiler-safe.
Can I use a nonstick pan?
Use it under a broiler only if its maker expressly permits that use. Do not use aerosol cooking spray on nonstick cookware.
How much chocolate do I need?
Use about 12 ounces (340 g) for a 9 × 13-inch pan. Spread it evenly over the cracker layer.
How many marshmallows should I use?
Use 18–24 marshmallows, arranged across the chocolate. The exact number depends on their size and how much coverage you want.
Why did my marshmallows brown too fast?
The broiler’s strong direct heat can brown them quickly. Keep watching, use short broiling intervals, and stop when the tops look right.
How long should the pan rest before serving?
Rest it for 5 minutes on a dry, heat-safe surface. This gives the chocolate a little time to settle while the dessert stays warm.
How do I clean stuck chocolate and sugar?
After the pan cools, soak it with warm water and dish soap. Use a nonabrasive utensil to loosen residue.
For a dependable batch, use a pan approved for the heat, keep the layers even, bake until the chocolate softens, and stay by the oven during broiling. Let the pan rest for 5 minutes, then serve directly from it.
(This article was written by one of our staff writers, Steven R. Bancroft. Visit our Meet the Team page.)
