S'mores Cookies with Marshmallow Fluff

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These S'mores Cookies are stuffed with marshmallow fluff, packed with mini chocolate chips, and topped with melted Hershey's chocolate! They're everything you love about classic s'mores in a soft, gooey cookie you can make without a campfire. Perfect for movie nights, party snacks, or just because you deserve a little treat!

A cookie topped with melted marshmallow and Hershey’s chocolate pieces on a white plate.

Recipe at a Glance

Marshmallow Fluff Center: Instead of simply adding marshmallows to the dough, these cookies are filled with gooey marshmallow fluff.
Graham Cracker Cookie Dough: Graham cracker crumbs give the cookies that unmistakable s'mores flavor.
Melted Hershey's Chocolate: Each warm cookie gets pieces of Hershey's chocolate pressed right on top so they melt into the cookie.

Do you remember eating s'mores for the very first time? That warm, gooey bite of chocolate, marshmallow, and graham cracker tasted like pure magic. This easy s'mores cookie recipe captures that cozy feeling, the same way a slice of Hot Cocoa Poke Cake does!

One bite of this stuffed s'mores cookie and you'll remember the classic taste you've always loved. But, the secret ingredient that makes them bakery worthy is the marshmallow fluff. Topping each cookie with a melted candy bar will also take you back to your childhood in a flash!

Cookies topped with melted chocolate pieces and gooey marshmallow, arranged closely together.

Looking for more great cookie recipes? Try making Cookies for Santa during Christmas and a big bowl of Walnut Snowball Cookies that will remind you of the holidays. Or, pair them with No Bake Pumpkin Cheesecake Bars and a stack of No Bake S'mores Bark for a delicious treat every autumn!

Two gooey chocolate chip cookies with melted chocolate and marshmallow filling stacked on each other.

Key Ingredients

Here are the key ingredients you'll need to make these S'mores Cookies with Marshmallow Fluff! For quantities, see the printable recipe card below.

Graham Cracker Crumbs: These give the cookie dough that classic graham cracker flavor that makes it taste like a real s'more.
Mini Chocolate Chips: They add chocolate throughout the cookie instead of relying only on the Hershey's candy bars.
Fluff or Marshmallow Creme: This is the secret to the gooey center. Marshmallow fluff or marshmallow creme creates the perfect texture.
Snack Size Hershey Chocolate Bars: Press pieces of Hershey's chocolate onto the cookies while they're still hot. The chocolate melts slightly into the marshmallow topping for the classic s'mores combination.

Top view of smores dessert ingredients: graham crackers, Hershey’s bars, butter, sugar, chocolate chips, flour, and brown sugar.

Step by Step Instructions

Preheat oven to 350℉ and line a baking sheet with parchment paper

With a hand mixer, cream together the butter and brown sugar until light and smooth.
Stir in the flour, graham cracker crumbs, baking powder, and baking soda until just combined.
Fold in the mini chocolate chips.
Mix everything together to create a crumbly dough.
Use a two tablespoon cookie scoop to portion out six cookie dough balls onto the baking sheet. Flatten each ball slightly.
Pipe about one to two teaspoons of fluff on top using a piping bag with a round tip.
Carefully wrap the dough around the fluff to form a ball again. (Don't skip sealing the marshmallow fluff completely inside the dough!)
Bake for about 10 minutes or until golden brown on the bottom. While the cookies are baking, break the snack size Hershey bars into four small pieces each. Once the cookies come out of the oven, immediately press two Hershey pieces on top of each cookie. Let them set long enough for the chocolate to melt.

Step-by-step process of making smores cookies, shown in 8 stages from ingredients to assembled dough on trays.

Favorite Pairings

Cold Milk: The classic combo for any cookie lover.
Hot Chocolate: Double up on the cozy factor for a chilly night.
Vanilla Ice Cream: Sandwich a scoop of ice cream between two cookies for a decadent dessert.

Variations

Peanut Butter Twist: Add two tablespoons of creamy peanut butter to the dough for a nutty flavor.
Extra Gooey: Swirl a little extra fluff into the batter before baking.
Dark Chocolate: Swap the milk chocolate for dark chocolate chunks for a richer taste.
Mini Marshmallows: If you don't have fluff, press a few mini marshmallows into the center before baking.

Cookies with melted marshmallow and chocolate pieces cooling on a wire rack, with graham crackers nearby.

Debi's Tips

Use a piping bag for the fluff so it's easier to control.
If the dough feels too soft, chill it for ten minutes before shaping.
To make the cookies perfectly round, use a glass or cookie cutter to swirl around the edges right after baking.
Pinch off bits of dough to patch any exposed marshmallow before baking, this helps keep the fluff inside.

Recipe FAQ

How many graham crackers make ¾ cup of crumbs?

You'll need about five full graham crackers to make ¾ cup of crumbs.

How do I avoid sticky hands when wrapping the fluff?

Gently wrap the dough around the fluff and pinch off any extra dough to seal it in. You can lightly flour your hands or chill the dough a few minutes if it's too sticky.

How do I make my cookies perfectly circular?

Use a round cookie cutter or glass to shape them right after they come out of the oven. It works like a charm.

Close-up of cookies topped with melted chocolate pieces and swirls of marshmallow on a white plate.

Storage Guide

Leftovers: Let the chocolate topper firm up first. If you're in a hurry, place them in the fridge on a baking sheet to set faster. Then store at room temperature in an airtight container for up to five days.

Room Temperature: Store cooled cookies at room temperature in an airtight container for up to five days. If stacking them, separate layers with parchment paper so the chocolate doesn't smudge.

Freeze: For longer storage, freeze the baked cookies for up to two months, then thaw at room temperature before serving.

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Recipe Card