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Thick S’mores Brownies

August 25, 2017 by Joy the Baker 39 Comments

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I’ve spent a lot of time this summer trying to do things better.  Right now most of that energy goes into learning how to make beautiful flowers out of paper (more on that soon!), but sometimes those energies are directed towards chocolate.  

These are brownies I’ve made before. Years ago, and it’s been too long since they’ve been revisited.  This time around I’m making the brownies thicker, more gooey, adding more chocolate and slicing generously.  This is me trying to make things better, with more chocolate. That’s usually the answer, right?

I hope you’ll consider these for your weekend.  Get that marshmallow off a stick and onto a brownie, ya know?

There’s debate in the brownie world.  First of all… there’s a brownie world.  Amen to that. 

The debate in brownie world is this:  unsweetened chocolate bar OR unsweetened cocoa powder.  I always choose chocolate bar for it’s fat and richness.  It makes for a much for fudge-y brownie than the cocoa powder.  I also have a soft spot in my heart because the first thing I ever baked was the brownie recipe on the back of the Baker’s Chocolate box.  This, of course, was after trying to eat the chocolate as it was not realizing that unsweetened chocolate, pre-brownie, is one of god’s cruel jokes. 

In a double boiler – that’s a heat-proof bowl set over a pot of simmering water – I melted an ample amount of butter with an almost equally ample amount of unsweetened chocolate. Stir until glossy and completely melted.  

Right over here, in another bowl, I whisked together brown sugar, not brown sugar, and plenty of large eggs (5 to be exact).  

Brownies don’t have a lot of flour in them.  What we lack in gluten structure is supported by the large amount of eggs, creating structure and moisture, and a damn fudgey brownie thankyouverymuch! 

The melted chocolate is mixed with the whipped up eggs and sugar.  The batter will be loose and glossy, just like my heart. 

In with a modest amount of flour, a kick of baking powder, and what might seem like too much salt but is in fact not too much salt. 

Here’s where we get s’mores-y.  Graham crackers , crumbled, go straight into the batter.  

Chocolate chips too. A good handful to melt into the batter as it bakes. This will have you feeling very full of good ideas. 

Into the pan, graham and all, and topped with large marshmallows before baking.  They’ll brown and puff, melt and spread just slightly and it will feel like all is right in the world for a few fine moments. 

The brownies need some time to cool and settle before they’re sliced.  I even like to put them in the refrigerator to set before slicing.  The brownies are stellar at room temperature. They’re also very good when individually wrapped and frozen.  A thick chocolate frozen brownie is absolutely fantastic and the marshmallow, when frozen, turns to a taffy consistency. It’s dreams any way you slice it.  

You’ll make these, wontcha!?

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Thick S’mores Brownies

  • Author: Joy the Baker
  • Prep Time: 20
  • Cook Time: 40
  • Total Time: 1 hour
  • Yield: 9 1x
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Ingredients

Scale
  • 1 1/2 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1 teaspoon fine sea salt
  • 1 cup (2 sticks, 16 tablespoons) unsalted butter
  • 6 ounces unsweetened chocolate, coarsely chopped
  • 5 large eggs
  • 1 1/4 cup lightly packed dark brown sugar
  • 1 cup granulated sugar
  • 2 teaspoons pure vanilla extract
  • 1 heaping cup coarsely crushed graham crackers
  • 1/2 cup semi-sweet chocolate chips
  • 12 large marshmallows

Instructions

  1. Place a rack in the center of the oven and preheat oven to 350°F. Butter a 9×9-inch baking pan with 2.5-inch-high sides. Line with parchment paper so it hangs over the edges on two sides and lightly grease the paper. The parchment will make the brownies easy to remove from the pan. Set aside. (This recipe can also be made in a 9×13-inch pan for a thinner brownie, cooking for 30 to 35 minutes.)
  2. In a medium bowl, whisk together flour, baking powder, and salt. Set aside. Create a double boiler and melt butter and unsweetened chocolate over simmering water. Stir chocolate and butter in this double boiler until melted and smooth.
  3. In a medium bowl beat together eggs, sugars and vanilla. Stir in warm chocolate mixture, then the dry ingredients. Fold in graham crackers and chocolate chips. Pour batter into prepared pan. Dot with 12 large marshmallows. Bake until toothpick inserted into center comes out with moist crumbs attached, about 45-50 minutes.
  4. Marshmallows will be browned and puffy but will deflate as the brownies cool. Cool for at least 20 minutes than slice with a sharp knife, cleaning the knife with hot water if it gets too messy and sticky. Serve or wrap individually in wax paper for storing.

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Photos by Jon Melendez!

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  1. Tracey D.

    October 14, 2017 at 7:39 pm

    These look and smell so good but turned out pretty badly. I followed the instructions exactly except I put the marshmallows on after 40 minutes of baking to avoid them burning like some other comments mentioned. After 60 minutes in the oven the marshmallows looked perfect but the brownie part was raw batter in the middle. Covered it all loosely in aluminum foil and baked for another 20 minutes. Still raw batter in the middle but at least there were a couple of crumbs on the toothpick. The marshmallows were getting too brown though. Took it out and let it cool for 40 minutes in the pan, thinking it might firm up a bit more. It did. Cut the brownies up and the consistency was as described in the recipe, but to me they taste raw and waaaaaay too sweet. Like, tooth-achingly sweet. This recipe needs a lot more testing, not sure why it was published like this.

    Reply
  2. Pooja

    September 29, 2017 at 2:31 pm

    We are moving on Monday – and it’s been quite an adventure. I think that you just gave me the first thing that I am going to bake in my new oven! My girls love love love smores anything and they are going to be so surprised and happy Thank you for a smores brownie recipe that looks doable. xo

    Reply
  3. Toyin

    September 28, 2017 at 10:50 am

    I tried these also and they were gooey in the middle and overcooked on the edges. I think it is cooked even when the toothpick is a tad but moist . Either that or baking temp shd be decreased and time lengthened

    Reply
  4. Samantha

    September 18, 2017 at 4:55 pm

    Made these in a 9 by 13 pan, good thing too, they nearly overflowed that! Added more marshmallows to cover the top (about 20 total) smells amazing! I took out with center still a bit jiggly after about 36 minutes, an extra gooey middle won’t bother me.

    Reply
  5. Marisa

    September 16, 2017 at 2:47 pm

    Unfortunately, these didn’t work very well for me either. Per some of the other comments’ suggestions, I waited to put the marshmallows on, but even then, they were overcooked by the time the brownies were done. My solution ended up being to pull off those marshmallows and instead individually toast each marshmallow when serving a piece. Even with this fix, I have to say the flavors were not as incredible as I had hoped and the brownies were a little dry. For what it’s worth, the brownie batter tasted heavenly!

    Reply
  6. Lourdes

    September 6, 2017 at 2:15 pm

    I made these this weekend and they came out SUPER DRY. I almost cried bc I made them for a group of friends. I followed the directions. Any idea why? I even baked them 5 mins less.

    Reply
    • joythebaker

      September 6, 2017 at 9:24 pm

      What size pan did you use?

      Reply
  7. Carol Rogers

    September 3, 2017 at 4:08 am

    These look so delicious!! Sticky, chocolatey, everything a brownie should be. Can’t wait to try the recipe out :-)

    Reply
  8. Tanya

    September 2, 2017 at 4:42 pm

    Help my my brownies are raising so much. I checked the recipe. I don’t know what is happening. What could be the problem?

    Reply
  9. Liz | Flour de Liz

    September 2, 2017 at 6:27 am

    Oh. my. I cannot wait to eat this. And I’ve never thought about trying a frozen brownie, but that actually sounds quite delicious!

    Reply
  10. Nicole

    August 29, 2017 at 9:01 am

    those look AMAZING

    Reply
  11. Christina Hartnett

    August 28, 2017 at 4:48 pm

    Whelp, there goes my diet. I “was” going to behave myself this week but it looks like I’ll end up face planting in these delicious looking thick smores brownies instead. :)

    Reply
  12. Mary W.

    August 28, 2017 at 10:45 am

    Made a replica of this yesterday, and it was worth it. May I say that it’s a TALL, chocolate-dense, marshmallow-pillowy, heavenly treat.

    Reply
  13. Tracy

    August 27, 2017 at 3:39 pm

    I’ve made your smores brownies more than once and they are BOMB! I definitely need to make them again :-)

    Reply
  14. Beth

    August 27, 2017 at 10:13 am

    Wow! I usually have at least some will power but I had to make these the moment I saw them. I had just been thinking about how there had not been enough s’mores in my summer despite having everything on hand–but that meant I had just about everything I needed for these! I used a bag of 60% cacao chips–6 oz melted with the butter and the rest stirred in–because that’s what I had. I cut the brown sugar down to a loose cup and the white to about 3/4 and they were still plenty sweet. Also, like another commenter, mine took 10-15 minutes longer to set in the middle. I used a 9x9x2.5 inch metal pan lined with parchment and definitely wouldn’t recommend anything smaller. The batter nearly filled the pan and then the brownies baked up the tallest I’ve ever seen! They settled a bit as they cooled but mine are still well over 1.5 inches tall. A pan with high sides is a must–although I admit I do now wonder if this could work in a larger pan like 9×13… In any case SO DELICIOUS! Thanks, Joy!

    Reply
  15. Melissa

    August 26, 2017 at 9:18 pm

    You forever.

    Reply
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