S’mores Brownies

This S’mores Brownie recipe is from an old article in Cook’s Country magazine which included several variations on brownies.

S'mores Brownies

This version is comprised of a graham cracker crumb crust topped with layer of fudge brownies and broiled marshmallows. The brownies are rich and fudgy, so I recommend lining the pan with foil for easy removal.

s'more brownies

For a clean cut, lift the brownies from the pan and let them cool. Freeze the whole slab, then cut while frozen.


As you can see, if I’ve worked on my technique a bit over the years. Here’s an old photo.

s'mores brownies

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S'mores Brownies
Prep time
Cook time
Total time
Marshmallow topped brownies with a graham cracker crust
Recipe type: Dessert
Cuisine: American
Serves: 12
  • 3/4 cup graham cracker crumbs
  • 1 tablespoon sugar
  • 4 tablespoons melted unsalted butter
  • Pinch of salt (optional)
  • 3 ounces unsweetened chocolate
  • 1/2 cup unsalted butter (4 ounces)
  • 2 large eggs
  • 1 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • 1/2 teaspoon baking powder
  • 2/3 cup all purpose flour
  • 2 cups (approximately) marshmallows
  1. Preheat the oven to 350 degrees F. Line an 8 inch square metal pan with nonstick foil.
  2. Crust: Mix the graham cracker crumbs with the sugar, melted butter and salt (if using). Press into bottom of pan and bake for 6 minutes.
  3. Brownies: Melt the chocolate and butter together in the microwave, a double boiler or heavy saucepan set over low heat. Let cool for about 5 minutes.
  4. Whisk the eggs and sugar and vanilla together in a mixing bowl.
  5. Stir the slightly cooled chocolate mixture into the egg mixture, then stir in the salt and baking powder. Add flour and stir until well blended.
  6. Pour the brownie mixture over the graham crust, then return to oven and bake for 22-26 minutes or until set.
  7. Remove from oven and sprinkle marshmallows over top in one generous layer.
  8. Adjust oven rack so that brownies are about 6 inches from broiler element, then set brownies under broiler (set on high) for 1 minute or until golden. Keep a close eye, because marshmallows brown quickly!
  9. Let cool on a rack. When cool, chill. Lift from pan and cut into squares. For a cleaner cut, freeze before slicing.

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  1. Sue says

    These brownies sound like something that would be great fun to make with a child and even more fun to share!

    Thinking of New Year’s and cookies, have you ever made champagne cookies? I don’t have any recipes, but I know they exist. I wonder if they’re good? I love Champagne!! What a good excuse to pop the top on a bottle!!

  2. says

    Sue, I’ve never heard of champagne cookies but I’m interested! If you find a good recipe, let me know. I’ll be on the lookout myself. Another thing (kind of unrelated) is Chardonnay Cake. I’ve seen a few recipes for it and wonder how it tastes.

    Hi Anonymous, and thanks. Yes, these are a bit like Mallomars or S’mores.

  3. Michelle W. in Calif. says

    Hey Anna, these sound really good! I found a box of graham cracker crumbs in my cupboard, but they have an expiration date of July 07 on them! Do graham cracker crumbs go bad??? Wasn’t sure if they can be weevily or not…

  4. says

    Hi Michelle,

    I would toss the graham cracker crumbs and buy new ones. Even if there are no bugs, they will surely taste stale.

  5. says

    Yum, I love S’mores. Can’t wait to give this a try. Initially I was look for your s’mores cookies and struck gold with these.

  6. Sonya says

    Just made these tonight for company and my husband really enjoyed them. I didn’t think that the topping/crust added much (I think I’d rather have the brownie plain), but will definitely try them again because they were a hit, and they certainly don’t detract from the brownie either.

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