Name: S'mores Frappuccino (Starbucks Copycat) Recipe
Prep time: 5 min
Total time: 5 min
Cuisine: American
Ingredients: 1 cup ice; ½ cup cold brew coffee; ½ cup whole milk; 3 tablespoons toasted marshmallow syrup; 1 graham cracker; ¼ teaspoon xanthan gum; ¼ cup marshmallow whipped cream (or regular whipped cream); 2 tablespoons mocha sauce (or chocolate sauce); Additional whipped cream and/or graham cracker crumbs (optional for topping)

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I absolutely love recreating my favorite coffeehouse treats at home, and this S'mores Frappuccino (Starbucks Copycat) Recipe is hands down one of my top picks. It nails that nostalgic campfire flavor with rich coffee, toasted marshmallow, and crunchy graham cracker all blended into one indulgent, frosty drink. The best part is, I get to enjoy it whenever craving strikes—without the pricey coffee shop markup. It’s pure comfort in a glass and always brings a smile to my face.

Why You'll Love This S'mores Frappuccino (Starbucks Copycat) Recipe

What makes this S'mores Frappuccino recipe feel so special to me is that beautiful blend of flavors—bold cold brew, creamy milk, toasted marshmallow sweetness, and that subtle crunch from graham cracker bits. It transports me right back to cozy evenings by the fire, but in a refreshing, chilled form that’s perfect any time of year. I love how the mocha sauce adds just the right touch of chocolatey decadence without overpowering the delicate marshmallow notes.

From start to finish, this recipe is a breeze to whip up. I like how all the ingredients come together quickly in my blender, and there’s minimal cleanup afterward. It’s the kind of treat that feels fancy but is simple enough to make on a busy day or to impress friends at a casual get-together. Honestly, whether I’m relaxing on the weekend or need a sweet afternoon pick-me-up, this frappuccino hits the spot every time.

Ingredients You'll Need

The image shows a top-down view of several ingredients placed on a white marbled surface. In the center, there are two rectangular graham crackers, light brown with a textured surface. To the upper left is a clear glass measuring cup with a dark brown liquid inside. Below it, a smaller clear glass measuring cup filled with a white liquid. Near the bottom center, there is a small white bowl with a dark brown liquid, and to the left, a small white bowl holds a golden-yellow liquid. On the right side, a white bag of xanthan gum, clipped at the top with a yellow clip, displays black and orange text and an image of a wooden spoon with powder. Next to it stands a can of marshmallow whipped topping, mainly white and light pink with an image of whipped cream and cereal on the label. The photo taken with an iphone --ar 4:5 --v 7

The ingredients for this recipe are wonderfully straightforward but each one plays a crucial role in delivering authentic S’mores Frappuccino flavor and texture. Using real cold brew gives the drink its robust coffee backbone, while the toasted marshmallow syrup brings that irresistible campfire sweetness. The graham cracker adds a subtle crunch and depth that’s so signature to s’mores, making every sip a delight.

Quick Tip

All ingredient amounts are listed in the recipe card below

Ice: Provides the perfect chill and frappuccino texture that makes this drink so refreshing.

Cold brew coffee: Gives a smooth, less acidic coffee flavor that pairs beautifully with marshmallow sweetness.
Whole milk: Adds creaminess and balances the icy coffee blend with richness.
Toasted marshmallow syrup: The star ingredient that delivers authentic smoky-sweet marshmallow flavor.

Graham cracker: Crushed right into the blend to infuse that iconic crunchy, slightly spiced essence.
Xanthan gum: Helps thicken the frappuccino for that smooth, creamy consistency found in Starbucks versions.
Marshmallow whipped cream: Or regular whipped cream to top the drink luxuriously with extra fluff and flavor.

Mocha sauce (or chocolate sauce): Adds a rich chocolate layer that ties all the flavors together perfectly.
Optional toppings: Extra whipped cream or graham cracker crumbs for garnish and added texture.

Directions

Step 1: In your high-speed blender, combine the ice, cold brew coffee, whole milk, toasted marshmallow syrup, graham cracker, and xanthan gum. Blend everything together until you’re greeted with a smooth, creamy frappuccino consistency without any chunks. This step usually takes about 45 seconds to a minute depending on your blender’s power.

Step 2: Grab a tall glass and spoon some marshmallow whipped cream into the bottom. This creates a luscious base that makes the layered drink extra delightful when served. Press it gently against the glass to create a nice layer.

Step 3: Pour a generous amount of mocha sauce into the glass over the whipped cream layer. Swirl it slightly with a spoon if you want a pretty marbling effect.

Step 4: Carefully pour the blended s’mores frappuccino into your prepared glass, filling it up without disturbing the base too much.

Step 5: Top your drink with plenty of marshmallow whipped cream—or plain whipped cream if preferred—and sprinkle graham cracker crumbs on top for that authentic s’mores finishing touch. Serve immediately and enjoy every frosty sip!

Servings and Timing

This S'mores Frappuccino (Starbucks Copycat) Recipe makes 1 generous drink, perfect for treating yourself or a loved one. It takes about 5 minutes to prepare from start to finish, so it’s an ultra-quick indulgence. There’s no cooking time or resting required—just blend and serve for instant gratification.

How to Serve This S'mores Frappuccino (Starbucks Copycat) Recipe

A clear glass shows a three-layered drink standing on a round white marble coaster against a white marbled surface. The bottom layer is dark brown chocolate sauce, thick and rich, topped by a creamy white layer with small bits and soft texture. Above this is a tall layer of light brown coffee or mousse, smooth and slightly frothy. Whipped cream swirls high on top, with small crushed cookie pieces scattered over the cream. The background is dark with blurred circles of yellow light, adding warmth to the image. Photo taken with an iphone --ar 4:5 --v 7

When it comes to serving, I like to make the experience feel special. This frappuccino is fantastic as a mid-afternoon treat or a fun dessert drink after dinner. You can pair it with simple vanilla biscotti or even a small bowl of chocolate chips to echo the flavors in the drink. It’s also wonderful as the star at a casual gathering with friends or family—just be prepared for everyone to want the recipe!

For presentation, I love using a clear tall glass so the layers of whipped cream, mocha sauce, and frappuccino beautifully show through. Adding a few graham cracker crumbs on top gives that perfect rustic campfire vibe. A fun garnish idea is to skewer a mini toasted marshmallow or two on a cocktail stick and perch it on the rim for an extra playful touch.

This frappuccino is best enjoyed chilled right after blending, so serve it immediately for that luscious creamy texture. Because it’s rich and filling, I usually consider about 12-16 ounces ideal for a single serving—enough to savor but not so much that it feels overwhelming.

Variations

I love experimenting with this S'mores Frappuccino (Starbucks Copycat) Recipe to suit different moods or dietary needs. For a vegan version, swapping the whole milk with oat or almond milk and using dairy-free marshmallow syrup and whipped cream works beautifully without sacrificing flavor. It’s amazing how creamy it still tastes with a plant-based milk alternative!

If you want to amplify the chocolate, try using a dark chocolate or white chocolate sauce instead of the standard mocha. For a more rustic touch, crush the graham cracker a little coarser to get bursts of crunchy texture that surprise your palate as you sip.

Another fun twist is to add a pinch of cinnamon or even a drop of vanilla extract into the blend for extra warmth and complexity. If you don’t have toasted marshmallow syrup on hand, you can carefully toast marshmallows yourself and blend them quickly but in small quantities, though the syrup is definitely more convenient for an authentic taste.

Storage and Reheating

Storing Leftovers

If you happen to have any leftovers—which rarely happens in my house!—it’s best to transfer the frappuccino into an airtight container or glass jar and keep it refrigerated. Consume within 24 hours for the best flavor and texture before it starts to separate or lose its frosty charm.

Freezing

This particular frappuccino is really meant to be enjoyed fresh and is not ideal for freezing due to its dairy and syrup content. Freezing might alter the texture and make the whipped cream topping soggy or watery upon thawing. If you want a frozen treat, I recommend blending a fresh batch instead for optimal taste.

Reheating

Since this drink is a cold blended beverage, reheating isn’t recommended as it will completely change the texture and flavor experience. If you want a warm coffee and marshmallow combo, I suggest making a separate hot cocoa with a shot of espresso and adding marshmallow toppings for a cozy alternative.

FAQs

Can I make this S'mores Frappuccino without cold brew coffee?

Absolutely! If you don’t have cold brew, you can use strong brewed coffee that’s cooled completely. Just ensure it’s chilled to avoid melting the ice too quickly while blending. Cold brew tends to be smoother and less acidic, but strong coffee works as a great substitute.

Is there a dairy-free option for the marshmallow whipped cream?

Yes! You can find dairy-free or coconut-based whipped cream alternatives that work perfectly here. Some brands offer marshmallow-flavored whipped toppings that are vegan, or you can simply use plain dairy-free whipped cream for a similar experience.

How do I make toasted marshmallow syrup if I can’t find it in the store?

You can toast marshmallows carefully over a flame until golden brown, then melt them gently with a bit of water and sugar to create a syrup consistency. However, it can be tricky to replicate the flavor exactly, so I recommend buying a pre-made toasted marshmallow syrup online or at specialty stores for ease and authenticity.

Can I prepare this frappuccino ahead of time for a party?

Because this drink is best served immediately, I suggest prepping your ingredients in advance but blending only when ready to serve. You can pre-measure the coffee, syrup, and other additives into the blender container to save time—just add ice and blend last minute for the best texture.

What if I don’t have xanthan gum—can I skip it?

You can skip xanthan gum, but it helps achieve that signature creamy, thick frappuccino texture. Without it, your drink might be a bit more watery or icy. If you don’t have xanthan gum, adding a small amount of instant pudding mix or a banana could provide some thickness, though these will alter the flavor slightly.

Conclusion

I truly hope you give this S'mores Frappuccino (Starbucks Copycat) Recipe a try because it’s such a delightful twist on a classic favorite. It’s quick to make, packed with nostalgic flavors, and perfect for cozying up or impressing guests with something homemade and special. Once you taste it, I bet you’ll be as hooked as I am. Enjoy every sip and happy blending!

S'mores Frappuccino (Starbucks Copycat) Recipe

Why You'll Love This S'mores Frappuccino (Starbucks Copycat) Recipe