S’mores Brownies with Marshmallow Fluff

A decadently rich home-made chocolate brownies gets sandwiched between a crunchy biscuit layer and light as air layer of marshmallow fluff to bring you the ultimate S’mores Brownies.

S’mores Brownies with Marshmallow Fluff

What are S’mores Brownies I hear you saying, especially if you hark from the European side of the pond. And what on earth is marshmallow fluff.

Let's take a step back first and break down what a s’mores is. Over here in the UK it’s not all that well known. Yes we’ll toast marshmallows over an open fire but we definitely don’t create s’mores out of it.

S’mores are a toasted marshmallow and a square of chocolate sandwiched between two graham crackers. The first published recipe was by the Girl Scouts in the US in 1927 and hear they document the toasting of the marshmallow in a campfire before constructing the s’mores. Head on over for more little known S’mores facts over on Real Simple.

I can well understand the lure of these sweet treats when going camping. They’re easy to transport, non perishable and delicious. You can imagine it can’t you ... its cold, you’re huddled around the campfire and wanting a sweet treat after dinner. You grab a stick, shove a marshmallow on the end, toast it in the flames until its slightly charred and goey. Then you push it onto a crunchy graham cracker, top with a square of chocolate that will slowly melt once sandwiched together with another graham cracker. I mean yum! I get the appeal!

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Onto S’mores Brownies

As a recipe developer, I sometimes want to take a standard recipe and transform it into a thing of decadence.

In a s’more the three main components are:

• Graham cracker,
• Marshmallow and
• Chocolate

When creating this recipe I needed to match that biscuit crunch along with rich chocolate and the signature toasted marshmallow.

The Biscuit Base

Here in the UK we don’t have graham crackers. But what we do have are digestive biscuits. Typically used as the biscuit base for cheesecakes, Digestives give the perfect crunch. The base is super easy to make. Whizz the biscuits in a food processor until fully crumbed, then add melted butter, a spoonful of sugar and a pinch of salt and whizz again. Then press firmly into the bottom of your baking pan and there you have it - one perfectly formed and delicious biscuit base.

Bonus points go to the fact that this base doesn’t need pre-baking. The brownie mix will go right onto and that’s when it gets baked.

The Brownie

Oh the brownie. Boy of boy do I love this brownies. It's a recipe I use over and over again and doesn’t ever fail me.

There are four main steps to my recipe.

Step 1: Melt the butter, sugar and chocolate in a bain marie.

Step 2: In a bowl of a stand mixer, beat the eggs until pale and fluffy

Step 3: Add the chocolate mixture and the vanilla extract to the eggs and beat until thoroughly combined.

Step 4: Add the dry ingredients, flour, cocoa powder and salt and mix until combined

It’s as easy as that. Pour straight onto the biscuit base and bake for 20-25 minutes. The smell coming out of your kitchen at this point is heavenly!!

Once baked you then have to allow the biscuits base and brownie to cool thoroughly. I tend to leave it in the pan placed on a wire wrack to do this

Marshmallow Fluff

Finally, I hear you exclaim! Tell us more about marshmallow full. Alright. I’ll fill you in on the magic that is marshmallow fluff.

It originates in America. It's basically a marshmallow spread, similar in taste to marshmallows but definitely not texture. It’s light and fluffy like meringue and can be torched just like marshmallow.

The main ingredients are:

• egg whites
• sugar
• cream of tartar
• salt

And how do you make Marshmallow Fluff

You’d think you’d be making a simple meringue. You kind of are but because you heat the eggs white with the sugar, melting and heating into an egg white sugar syrup (sounds great!), your on the path to making Swiss Meringue.

As soon as the sugar has dissolved you then have to add the cream of tartar and then whip that mixture until you have medium to stiff peaks. Add the salt (and vanilla if required, I didn’t in this recipe) and whip and your ready.

Unlike a French meringue or Italian meringue, because the egg whites have been heated the meringue mixture will be silky smooth, quite a bit denser and stickier then your standard meringue

And this is precisely what makes up a marshmallow fluff.

Use a piping bag and a tip of your choice to pipe really pretty swirls all over the top of your cooled brownie and biscuit base. (Alternatively pour over the brownie and smooth with the back of a spoon.

Now to add some colour- just like when toasting marshmallows on an open fire. Either use a blow torch and torch the meringue or if you dont have one (like I don’t) then place in the oven and grill (broil) for a couple of minutes. But keep an eagle eye on it as the sugar in the meringue does catch and toast super quickly.

You get to choose how toasty you like it. Either blackened and charred, or golden and toasty or lightly coloured (like me!). Bonus of making this at home.

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NOTE: This isn’t for the faint hearted. It's rich, decadent and not ‘good’ for you at all!!! But a little goes a long way. It’s a treat dessert not and everyday dessert (well I leave that decision to you!). But what I can tell you is, it’s divine and should definitely be tried if you’ve never tasted S’mores before. And even if you have, this is the most amazing take on a classic. We kept some for ourselves and gave the rest to the teachers at the girls’ school. They didn’t know what had hit them!

For more brownies and bars recipes try out these:

Chocolate Cherry Brownies. Recipe found here.

Browned Butter White Chocolate Blondies. Recipe found here.