Like the campfire treat that’s launched a thousand Pinterest boards, the S’mores Iced Latte turned my ordinary Tuesday morning into something worth lingering over. I’d been stuck in a coffee rut, you know—same old order, same predictable flavor—until I tried layering marshmallow fluff with espresso over ice. The graham cracker rim wasn’t just Instagram bait; it actually transformed each sip into a nostalgic experience that made me rethink what belongs in my morning cup.
History
While the S’mores Iced Latte itself is a modern coffee shop creation, it draws from a much older American tradition. S’mores became popular at campfires in the 1920s, when the recipe first appeared in a Girl Scout guidebook. The combination of graham crackers, chocolate, and toasted marshmallows has been a camping staple ever since, creating memories around flickering fires for nearly a century.
The iced latte version emerged much later, around the 2010s, when specialty coffee shops began experimenting with dessert-inspired drinks. Baristas realized they could capture those familiar campfire flavors in a cold beverage, making s’mores accessible year-round.
You’ll now find variations of this drink at coffee chains nationwide, each putting their own twist on the nostalgic combination.
Recipe
The S’mores Iced Latte transforms the nostalgic flavors of campfire s’mores into a revitalizing cold coffee drink. This indulgent beverage combines rich espresso with chocolate and marshmallow sweetness, topped with graham cracker crumbs that add a delightful crunch to every sip. The result is a perfectly balanced drink that tastes like summer memories in a glass.
This iced latte is ideal for warm afternoons when you want something sweet but still need your caffeine fix. It works beautifully as a dessert replacement or an afternoon pick-me-up, offering the comfort of s’mores without the need for a campfire. The cold temperature makes it especially satisfying during hot weather while maintaining all the beloved flavors of the classic treat.
Ingredients
- 2 shots espresso (or ½ cup strong brewed coffee, cooled)
- 1 cup milk
- 2 tablespoons chocolate syrup
- 2 tablespoons marshmallow fluff
- 2 tablespoons graham cracker crumbs
- Ice
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Instructions
- Fill a tall glass with ice and set aside.
- In a separate container, whisk together the marshmallow fluff and chocolate syrup until smooth.
- Add a splash of the milk to the marshmallow mixture to help thin it out.
- Pour the marshmallow-chocolate mixture over the ice in your glass.
- Add the remaining milk to the glass.
- Brew espresso shots directly over the milk and ice, or pour in the cooled coffee if using brewed coffee.
- Stir gently to combine all ingredients.
- Sprinkle graham cracker crumbs on top and serve immediately with a straw.
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Tips
For a dairy-free version, oat milk works exceptionally well as it provides a creamy texture that complements the sweet flavors.
If you prefer less sweetness, reduce the chocolate syrup to 1 tablespoon or use sugar-free alternatives.
The marshmallow mixture can be prepared in advance and stored in the refrigerator for up to three days, making morning prep faster.
For an extra-decadent version, rim the glass with chocolate syrup and crushed graham crackers before adding the drink, or top with whipped cream and a toasted marshmallow for special occasions.
Preparation Steps
Making this iced latte is easier than you’d think, and I’ve streamlined the process so you can enjoy it without much fuss.
You’ll start by mixing the marshmallow fluff and chocolate syrup together until they’re smooth, which creates that signature s’mores flavor base.
Then you’ll build the drink over ice, pour in your espresso, and finish with a generous sprinkle of graham cracker crumbs that’ll make every sip taste like summer.
Step 1. Combine Marshmallow and Chocolate
Before you pour anything into your glass, you’ll need to blend the marshmallow fluff and chocolate syrup together in a small bowl or measuring cup.
I use a fork to whisk them together. At first, it looks like they’ll never combine—the fluff is so thick and sticky.
Keep whisking for about thirty seconds. The mixture will slowly transform into this gorgeous swirled syrup that’s lighter than chocolate alone but darker than plain marshmallow.
Once it’s smooth, add just a splash of milk. This thins it out so it’ll actually pour over the ice instead of just sitting there in one gummy blob.
The whole process takes maybe a minute, and it makes all the difference in how your latte tastes.
Step 2. Add Milk to Glass
Once you’ve got your marshmallow-chocolate mixture ready, grab your ice-filled glass and pour that sweet syrup right over the cubes.
You’ll want to add your milk next, letting it cascade down the sides of the glass and mingle with that sticky-sweet base. I usually pour slowly so I can watch the chocolate and marshmallow swirl upward through the milk, creating these marbled ribbons that look almost too pretty to stir.
The cold milk helps everything blend together without requiring much effort on your part. Don’t worry if it looks a bit separated at first—that’s completely normal.
You’ll give it a proper stir later once the espresso goes in, bringing all those flavors together into one cohesive drink.
Step 3. Brew and Pour Espresso
Two fresh shots of espresso are what you need now, and the timing matters more than you might think.
I learned this the hard way when I let my first batch sit too long and ended up with bitter, lukewarm coffee that ruined the whole drink.
You’ll want to brew your espresso directly over the ice and milk mixture, which creates this beautiful layered effect before you stir.
The hot espresso meeting cold milk produces a satisfying temperature that’s perfectly chilled but not watered down.
If you’re using strong brewed coffee instead, make sure it’s completely cooled first. Room temperature coffee works, but refrigerated is better.
Pour slowly and watch those gorgeous coffee streaks swirl through the white milk before mixing everything together.
Step 4. Top With Graham Crumbs
Right after you’ve stirred everything together, grab those graham cracker crumbs and get ready for the finishing touch.
You’ll want to sprinkle them evenly across the top of your drink, letting them settle naturally on the surface. I usually use about two tablespoons, though you can add more if you’re craving extra crunch.
The crumbs will float for a moment before starting to absorb some of the liquid, creating this amazing texture when you take your first sip. Some will stick to your lips as you drink, which honestly just makes the whole experience more fun.
Don’t stir them in—keeping them on top means you get that graham flavor throughout the drink instead of all at once.
Step 5. Stir and Serve Immediately
After you’ve added those graham cracker crumbs on top, it’s time to give everything one final gentle stir before you drink it.
I usually use a long spoon to reach the bottom, pulling that marshmallow-chocolate mixture up through the milk and coffee so every sip tastes balanced. If you skip this step, your first few sips will be mostly plain milk while all the sweetness stays at the bottom. That’s not what we want here.
The ice will start melting pretty quickly, especially on hot days, so I recommend drinking it within fifteen minutes of making it.
The graham cracker crumbs get a little soggy if they sit too long, but honestly, they still taste pretty good even when they’re soft.
Final Thoughts
While this recipe might seem like just another flavored coffee drink, it’s become one of my favorite ways to enjoy an afternoon break. I make it most often when I’m working from home and need something that feels special without requiring much effort. The graham cracker crumbs get slightly soft as they sit on top, creating this texture that reminds me of actual s’mores without being too heavy for a drink. I’ve served it to friends during summer gatherings, and it always gets people asking for the recipe. It’s simple enough for everyday but impressive enough that it doesn’t feel ordinary. The combination of cold coffee and nostalgic flavors just works.
Frequently Asked Questions
Can I Make This Drink Ahead of Time and Store It?
Unfortunately, this drink doesn’t keep well—it’ll turn into a watery mess. However, you can prep the marshmallow-chocolate mixture ahead and refrigerate it for up to three days for quicker assembly.
What’s the Best Way to Toast Marshmallows for Topping?
You’ll get the best results using a kitchen torch to toast marshmallows directly on top of your drink. Alternatively, you can carefully toast them over a gas stove flame using a skewer before placing them on top.
Can I Use Instant Coffee Instead of Espresso?
You’ll find your caffeine salvation works perfectly—like the Sirens’ call to weary sailors, instant coffee beckons as a convenient alternative. Dissolve two teaspoons in hot water, let it cool, then proceed with the recipe as written for espresso shots.
How Many Calories Are in a S’mores Iced Latte?
The recipe doesn’t include calorie information, but you’re looking at approximately 300-400 calories depending on your milk choice. Using skim milk and sugar-free chocolate syrup will greatly reduce the calorie count.
What Other Flavored Syrups Pair Well With This Recipe?
You can enhance this drink with caramel syrup for a salted caramel s’mores twist, vanilla syrup to amplify sweetness, or hazelnut syrup for nutty depth. Peppermint syrup creates a revitalizing variation that’s perfect for cooler weather.
