If you need a simple homemade gift mix that actually gets used, this S’mores Squares Mix is a solid bet. It layers classic s’mores flavor into a jar, then turns into chewy, chocolate-studded bars with just butter and vanilla added at baking time.
One batch makes enough for a 9-inch square pan, or about 12 modest bars. It is inexpensive to assemble, easy to store, and a lot less fussy than hauling out a campfire every time a s’mores craving shows up.
Ingredients for S’mores Squares Mix
Layer these dry ingredients in a jar or store them together in an airtight container until you are ready to bake:
- 1 cup milk chocolate chips
- 1 1/2 cups mini marshmallows
- 1/3 cup brown sugar
- 1 sleeve graham crackers, reduced to crumbs
When it is time to bake, you will also need:
- 1/2 cup butter, melted
- 1 teaspoon vanilla
How to Make S’mores Squares
- Preheat the oven to 350°F and grease one 9-inch square baking pan.
- Empty the contents of the jar into a mixing bowl.
- Melt 1/2 cup butter and stir in 1 teaspoon vanilla.
- Pour the butter mixture over the dry ingredients and mix well until the crumbs are evenly moistened.
- Pat the mixture firmly into the prepared pan.
- Bake for 15 minutes, just until the bars are set.
- Cool in the pan before cutting into bars.
Tips for the Best S’mores Squares
Crush the graham crackers fairly fine. Big chunks make the bars more likely to crumble when you cut them. You want crumbs, not gravel.
Press the mixture firmly into the pan. A flat measuring cup works well for this. If you barely pat it in, the finished bars can fall apart instead of slicing neatly.
Do not overbake. Fifteen minutes is enough for soft, chewy bars. Leave them in too long and the marshmallows can toughen while the edges go from golden to regrettable.
Let them cool before cutting. Warm bars are delicious, but they slice better after the melted chocolate and marshmallows have a chance to settle.
Easy Variations
Keep the base idea the same and change the flavor with a light hand:
- Swap semi-sweet chips for the milk chocolate if you want less sweetness.
- Add a small handful of peanut butter chips for a different twist.
- Use cinnamon graham crackers for a warmer flavor.
- Package the mix as a gift jar alongside baking directions and a ribbon, if you want to look more organized than you feel.
If you like this kind of treat, you might also want to try Quickie S’mores Bars, S’mores Cookie Cups, or S’mores in a Jar.
Storage and Shelf Life
Dry mix: Store the jar in a cool, dry place with a tight-fitting lid for up to 1 month for best quality. That estimate is based on the shortest-lived ingredients once opened, especially the graham cracker crumbs and mini marshmallows, which lose freshness faster than sugar or chocolate. Keep the container away from heat, humidity, and direct light.
Baked bars: Once baked and cooled, store the bars tightly covered at room temperature for up to 2 days for best texture, or refrigerate them for up to 4 days. For the refrigerator window, I follow the general leftover safety guidance from the USDA Food Safety and Inspection Service, which recommends using cooked leftovers within 3 to 4 days.
Freezer: You can freeze the baked bars for up to 2 months in a freezer-safe container with parchment between layers. Thaw at room temperature so the texture comes back without turning the crumbs soggy.
Serving Suggestions
These bars work well as lunchbox treats, bake sale bars, or a quick dessert tray addition. Serve them as-is, slightly warm, or with a scoop of vanilla ice cream if you want to dress up a very simple pan of bars with minimal effort.
They also pair nicely with coffee, hot cocoa, or cold milk. No surprise there. Chocolate, marshmallow, and graham crackers were never exactly complicated about their career path.
💸 Budget101® Price Breakdown: S'mores Squares Mix
🛒 Walmart Grocery List
- Milk Chocolate Morsels, 11.5 oz
- Mini Marshmallows, 10 oz
- Light Brown Sugar, 32 oz
- Honey Graham Crackers, 14.4 oz
- Unsalted Butter, 16 oz
- Pure Vanilla Extract, 2 fl oz
Not sure exactly what this batch costs you per serving? Here’s how to break down the real cost of any recipe so you know before you shop.
Frequently Asked Questions about S’mores Squares Mix
You can, but cut them into smaller pieces first so they distribute more evenly through the crumbs. Mini marshmallows work better here because they mix in without leaving big sticky gaps, which helps the bars bake up more evenly and slice a lot cleaner.
One inner wrapped packet from a standard graham cracker box is what you want. That usually gives you about 1 1/4 to 1 1/2 cups of crumbs, which is enough to hold the bars together without making them dry.
The usual culprit is not pressing the mixture firmly enough into the pan before baking. Fine graham cracker crumbs, thoroughly mixed melted butter, and a full cooling time all help the bars set so you get squares instead of sweet rubble.
Yes, but the bars will be thicker and may need a few extra minutes in the oven. Start checking at 15 minutes and watch for the center to look set rather than glossy or loose.
Absolutely. Double every ingredient and bake the mixture in a 9 x 13-inch pan, then add a few extra minutes as needed since a larger pan can take a bit longer to set in the middle. It is an easy bake-sale trick when one pan just is not going to cut it.
Not right away if you are serving them within a day or two. For longer storage, refrigerate them well covered so the chocolate and butter stay fresh longer, then let them sit at room temperature for a few minutes before serving if you want a softer bite.
Yes, salted butter works fine here because the amount is small and the bars are sweet enough to handle it. The flavor will be just a touch more balanced, not dramatically salty, so this is not the hill your dessert needs to die on.
Look for the top to appear set and the edges to turn lightly golden after about 15 minutes. You do not want deep browning here, because overbaking makes the marshmallows tougher and the finished bars harder instead of chewy.
Yes, that is one of the best uses for it. Pack it in a tightly sealed jar, keep it in a cool dry spot, and attach the baking directions so the person getting it only needs to add 1/2 cup melted butter and 1 teaspoon vanilla.
Keep it simple and pair them with cold milk, coffee, or hot cocoa. If you are serving them for dessert, a small scoop of vanilla ice cream works well because it tones down the sweetness and turns a pantry bar into something that looks far more intentional.
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🖨️ Print-Friendly S’mores Squares Mix
S'mores Squares Mix
Ingredients
- 1 cup milk chocolate chips
- 1 ½ cups mini marshmallows
- ⅓ cup brown sugar
- 1 sleeve graham crackers reduced to crumbs
- ½ cup butter melted
- 1 teaspoon vanilla
Equipment
Instructions
- Preheat the oven to 350°F and grease a 9-inch square pan.
- Empty the mix contents into a bowl.
- Melt the butter and stir in the vanilla.
- Pour the butter mixture over the dry ingredients and mix well.
- Pat the mixture into the greased pan.
- Bake for 15 minutes.
- Cool before cutting into 12 bars.
Recipe Size Alteration
💡 If you altered the ingredients above by doubling or tripling the recipe, you may also need to change the pan/dish size and adjust the cook time.
Notes
Prep time is estimated from crushing crumbs, mixing, and pressing the bars into the pan.
Dry mix shelf life is an estimate of up to 1 month in an airtight container in a cool, dry place.
Baked bars keep up to 4 days refrigerated, tightly covered.
ooo this sounds delicious and simple 2 make!
i tried this and it didn’t firm up like a cookie bar. it was still good, but we ate it like a bowl dessert with some ice cream. unsure what i might have done wrong, but still very yummy!!!
:dontknow:
my son had these while he was in the hospital,and just loved them. going to make them for him .