Bars & Brownies Desserts

S’mores Bars

May 23, 2021

Buttery graham cracker crust, fudgy chocolate filling, and a homemade marshmallow topping. These S’mores Bars are a fun twist the classic camp fire dessert! This recipe uses a homemade marshmallow fluff but can be made with store bought marshmallows or marshmallow fluff. A kitchen torch can be helpful in torching the marshmallow but is not necessary!

smores bars on a piece  of parchment paper with flowers
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toasted smores bar

TOOLS I USED FOR THIS RECIPE:

  • KitchenAid 6 Qt. Stand Mixer – I always recommend a stand mixer as it saves time and helps to keep baked goods consistent.
  • Rubber Spatula – a must for any home baker! Perfect for scrapping marshmallow out of the mixing bowl.
  • USA Pan 9″x13″ Square Pan – another USA Pan product I love! The corners of my bars and cakes never stick and I love the squared of edges this pan creates.

Buttery graham cracker crust topped with fudgy chocolate!

smore bar on a plate with a bite taken out

What can I substitute for the homemade marshmallow in my S’mores Bars?

Don’t feel up to the task of making your own marshmallows? Not to worry, you can substitute store bought marshmallow fluff, which would match the consistency of the homemade marshmallows. You could also sprinkle mini marshmallows on top and go that route. Using store bought marshmallow will give the same flavor, just a different texture/appearance on top!

Grocery List:

  • Graham crackers
  • Butter
  • Granulated Sugar
  • Salt
  • Unflavored Gelatin
  • Light corn syrup
  • Sweetened Condensed Milk
  • Semi Sweet chocolate, chopped
  • Vanilla extract
up close of toasted marshmallow

If you like these S’mores Bars, you’ll love…

Chocolate Peanut Butter Blondies

Homemade Peppermint Marshmallows

Chocolate Espresso Tart

side view of smores bar

Instructions for S’mores Bars:

For the Graham Cracker Crust:

  • Preheat oven to 350 degrees F, generously grease a 9×13 baking dish with cooking spray*, set aside. In a medium mixing bowl combine the crushed graham crackers*, melted butter, sugar, and salt. Stir to combine, the mixture will still be loose but should pack together.
  • Dump the graham cracker mixture into the prepared baking dish and press down firmly to pack into place. Use your hands or the back of a dry measuring cup to press the mixture into an even layer, making sure the corners are packed well. Bake at 350 degrees F for 9-10 minutes until golden brown. Set aside and allow to cool.

For the Chocolate Layer:

  • In a medium saucepan combine the sweetened condensed milk and chocolate. Heat over medium heat, stirring frequently until the chocolate is completely melted. Remove from the heat and stir in the vanilla extract. The mixture should be smooth and lump free.
  • Pour over the top of the graham cracker crust, smoothing into a even layer. Set aside, allow the chocolate layer to set completely before topping with the marshmallow layer.

For the Marshmallow Layer:

  • In the bowl of a stand mixer fitted with a whisk attachment, combine gelatin and 1/2 cup cold water. Whisk to combine and allow to sit and bloom.
  • In a medium saucepan combine the remaining1/2 cup water, sugar, corn syrup, and salt. Stir to combine. Heat over medium-high heat, stirring frequently until the sugar is dissolved, about 5 minutes. Once the sugar is dissolved, stop stirring and turn the heat up to high. Allow the mixture to come to a boil, boil for 8-10. The temperature of the mixture should be about 250 degrees F. Remove from the heat.
  • Turn your mixer back on low and slowly pour in the cooked sugar mixture. Once all the sugar mixture has been adding turn the mixer up to high, whisk in the vanilla extract. Allow to mix on high until the marshmallow mixture has turned thick and fluffy. About 8-10 minutes, it should have the consistency of meringue and hold a stiff peak. The mixture should no longer be warm to the touch.
  • Scoop the marshmallow mixture on top of the chocolate layer. Use a rubber spatula to smooth the mixture out evenly. If the marshmallow is sticking, dip your spatula in cold water to help the spreading process. Allow to set completely, 2-3 hours.
  • Once the marshmallow layer has set up, you can toast the top if desired. If you have a kitchen torch use that the carefully torch the top of the marshmallow. If you do not have a kitchen torch, adjust your oven rack to the highest setting. Turn your broiler on high and toast the marshmallow, watching carefully so nothing burns.
  • Allow to toasted marshmallow to set for just a minute or two before cutting. Slice and enjoy, these are best served immediately but will keep for 1-2 days in an airtight container at room temperature.

Notes:

*Easily crush graham crackers in a food processor or place in a Ziploc bag and crush with a rolling pin.

*These can be made a day in advance, prepare and layer all three layers as described, but do not toast the marshmallow. Wrap and store in the fridge until you plan to serve, up to 24 hours. Toast the marshmallow right before you plan to serve, slice, and enjoy!

*To make this recipe a little quicker, you can substitute store bought marshmallow fluff for the top layer. It will give a slightly sweeter taster but it will set and toast just like the homemade marshmallow topping! 

smores bar with a bite taken out on a stack of plates

S’mores Bars

5 from 6 votes
Course: Dessert
Keyword: Smores
Prep Time: 40 minutes
Cook Time: 30 minutes
Setting Time 3 hours
Total Time: 4 hours 10 minutes
Servings: 12 servings
Calories: 543kcal
Author: The Hearty Life
Cost: $$
Print Recipe Pin Recipe

Equipment:

  • Stand or Hand Mixer
  • Candy Thermometer – optional
  • 9×13 Baking Dish
  • Kitchen torch – optional

Ingredients: 

For the Graham Cracker Crust:

  • 18-20 Graham cracker sheets, about 2 sleeves, crushed
  • 1 Stick Butter, melted
  • 1/2 cup Granulated Sugar
  • Pinch of Salt

For the Chocolate Layer:

  • 14 fl oz. Sweetened Condensed Milk, one can
  • 12 oz. Semi Sweet chocolate, chopped
  • 1 tbsp Vanilla extract

For the Marshmallow Topping:

  • 3 packs Unflavored Gelatin, about 21 grams
  • 1 cup Cold water, divided
  • 1 1/2 cups Granulated Sugar
  • 1/2 cup Light corn syrup
  • Pinch of Salt
  • 2 tbsp Vanilla Extract

Instructions:

For the Graham Cracker Crust:

  • Preheat oven to 350 degrees F, generously grease a 9×13 baking dish with cooking spray*, set aside. In a medium mixing bowl combine the crushed graham crackers*, melted butter, sugar, and salt. Stir to combine, the mixture will still be loose but should pack together.
  • Dump the graham cracker mixture into the prepared baking dish and press down firmly to pack into place. Use your hands or the back of a dry measuring cup to press the mixture into an even layer, making sure the corners are packed well. Bake at 350 degrees F for 9-10 minutes until golden brown. Set aside and allow to cool.

For the Chocolate Layer:

  • In a medium saucepan combine the sweetened condensed milk and chocolate. Heat over medium heat, stirring frequently until the chocolate is completely melted. Remove from the heat and stir in the vanilla extract. The mixture should be smooth and lump free.
  • Pour over the top of the graham cracker crust, smoothing into a even layer. Set aside, allow the chocolate layer to set completely before topping with the marshmallow layer.

For the Marshmallow Layer:

  • In the bowl of a stand mixer fitted with a whisk attachment, combine gelatin and 1/2 cup cold water. Whisk to combine and allow to sit and bloom.
  • In a medium saucepan combine the remaining1/2 cup water, sugar, corn syrup, and salt. Stir to combine. Heat over medium-high heat, stirring frequently until the sugar is dissolved, about 5 minutes. Once the sugar is dissolved, stop stirring and turn the heat up to high. Allow the mixture to come to a boil, boil for 8-10. The temperature of the mixture should be about 250 degrees F. Remove from the heat.
  • Turn your mixer back on low and slowly pour in the cooked sugar mixture. Once all the sugar mixture has been adding turn the mixer up to high, whisk in the vanilla extract. Allow to mix on high until the marshmallow mixture has turned thick and fluffy. About 8-10 minutes, it should have the consistency of meringue and hold a stiff peak. The mixture should no longer be warm to the touch.
  • Scoop the marshmallow mixture on top of the chocolate layer. Use a rubber spatula to smooth the mixture out evenly. If the marshmallow is sticking, dip your spatula in cold water to help the spreading process. Allow to set completely, 2-3 hours.
  • Once the marshmallow layer has set up, you can toast the top if desired. If you have a kitchen torch use that the carefully torch the top of the marshmallow. If you do not have a kitchen torch, adjust your oven rack to the highest setting. Turn your broiler on high and toast the marshmallow, watching carefully so nothing burns.
  • Allow to toasted marshmallow to set for just a minute or two before cutting. Slice and enjoy, these are best served immediately but will keep for 1-2 days in an airtight container at room temperature.

Notes:

*Easily crush graham crackers in a food processor or place in a Ziploc bag and crush with a rolling pin.
*These can be made a day in advance, prepare and layer all three layers as described, but do not toast the marshmallow. Wrap and store in the fridge until you plan to serve, up to 24 hours. Toast the marshmallow right before you plan to serve, slice, and enjoy!
*To make this recipe a little quicker, you can substitute store bought marshmallow fluff for the top layer. It will give a slightly sweeter taster but it will set and toast just like the homemade marshmallow topping! 

Nutrition:

Serving: 1 serving | Sodium: 195 mg | Calcium: 135 mg | Vitamin C: 1 mg | Vitamin A: 108 IU | Sugar: 79 g | Fiber: 3 g | Potassium: 332 mg | Cholesterol: 14 mg | Calories: 543 kcal | Trans Fat: 1 g | Monounsaturated Fat: 5 g | Polyunsaturated Fat: 1 g | Saturated Fat: 9 g | Fat: 16 g | Protein: 6 g | Carbohydrates: 94 g | Iron: 3 mg

Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

smores bars with forks and cups of espresso

Did you make this recipe?

I would love to see it! Take a picture and post to Instagram with the tag @theheartylife and the hashtag #theheartylife – You can also leave me a question or comment below! If you’ve tried this recipe, feel free to give it a star rating on the recipe above.

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