Quick answer: Indulge in a decadent toasted marshmallow brownie milkshake with rich chocolate, gooey marshmallows, and creamy vanilla ice cream. Perfect for summer!

By Mara Voss · Updated July 23, 2026

Toasted Marshmallow Brownie Milkshake

This Toasted Marshmallow Brownie Milkshake blends rich chocolate brownies, creamy vanilla ice cream, and gooey toasted marshmallows into a thick, indulgent drink. The contrast of warm, caramelized marshmallows against the cold shake creates a dessert reminiscent of campfire s’mores. Ideal for summer gatherings or as a sweet treat after dinner, it delivers deep chocolate flavor with a playful, nostalgic twist.

The shake’s texture strikes a balance between spoonable thickness and drinkable smoothness, thanks to the careful ratio of ice cream to milk. While decadent, it avoids being overly sweet by relying on quality brownie chunks rather than excessive syrups.

Recipe at a Glance

• Prep time: 10 minutes
• Total time: 10 minutes
• Servings: 2
• Calories per serving: 680
• Difficulty: Beginner

Why This Recipe Works

The combination of vanilla ice cream and brownie chunks ensures a balanced chocolate flavor without overwhelming sweetness. Toasting the marshmallows adds depth, while the optional graham cracker crumbs introduce a subtle crunch. The shake blends quickly, and the texture remains thick enough to support toppings without becoming cloying.

Using whole milk provides the ideal creaminess, while mini marshmallows blended into the base distribute their flavor evenly. The toasted marshmallow topping adds visual appeal and a contrasting temperature that elevates the experience beyond a standard milkshake.

Ingredients

Yields 2 servings:

• 3 cups vanilla ice cream (premium quality for best texture)
• 1 cup whole milk (reduced-fat may thin the shake)
• 1 cup brownie chunks (about 1.5″ pieces, slightly frozen)
• 1/2 cup mini marshmallows
• 2 tbsp chocolate syrup (plus extra for drizzling)
• 1 tsp vanilla extract
• 4 large marshmallows (for topping)
• 1 tbsp crushed graham crackers (optional, for garnish)

Equipment

• High-powered blender (essential for crushing frozen brownie chunks)
• Measuring cups and spoons
• Tall 16-oz serving glasses (wide-mouthed for easy topping)
• Skewer or long spoon (for marshmallow placement)
• Kitchen torch or broiler-safe baking sheet

Instructions

1. In a blender, combine vanilla ice cream, milk, brownie chunks, mini marshmallows, chocolate syrup, and vanilla extract. For a thicker shake, reduce milk to 3/4 cup. Scrape down sides with a spatula to ensure even blending.

2. Blend on high speed for 30-45 seconds until smooth. If mixture stalls, pulse 5-6 times before resuming blending. The finished consistency should coat the back of a spoon but still pour smoothly.

3. Divide between two chilled glasses, filling only 3/4 full to accommodate toppings. Wipe rims clean for neat presentation.

4. Toast the large marshmallows using a kitchen torch held 3″ away, rotating slowly until evenly golden. Alternatively, place on a foil-lined baking sheet under a broiler preheated to high, watching constantly as they brown in 30-60 seconds.

5. Immediately skewer two toasted marshmallows per glass, pressing gently into the shake so they stay upright. The residual heat will create melty streaks down the sides.

6. Finish with a crosshatch drizzle of chocolate syrup and a light sprinkle of graham cracker crumbs around the rim for texture contrast.

Tips for Better Results

• For optimal blending, let ice cream soften at room temperature for 5-7 minutes until scoopable but still cold.

• Freeze brownie chunks for 20 minutes before using to prevent them from dissolving completely into the shake.

• If using a broiler for toasting, position oven rack 6″ below the heating element and keep the door slightly ajar for better visibility.

• For cleaner skewering, dip marshmallow sticks in water before inserting to prevent sticking.

• Chill glasses for 15 minutes beforehand to maintain the shake’s temperature longer.

Variations

Peanut Butter Lover’s

Add 2 tablespoons of creamy peanut butter to the blender along with other base ingredients. Top with chopped salted peanuts and a peanut butter drizzle for added crunch and richness.

Mint Chocolate

Substitute mint chocolate chip ice cream for vanilla. Add 1/8 tsp peppermint extract (adjust to taste) and garnish with chocolate shavings. The cool mint flavor balances the sweetness effectively.

S’mores Style

Increase graham cracker crumbs to 3 tbsp, mixing 1 tbsp into the shake and using the rest for rimming the glasses. Add a dollop of whipped cream beneath the marshmallow topping.

Serving and Storage

Serve immediately with both a wide straw and a long-handled spoon to enjoy all components. The toasted marshmallows begin to melt within 5 minutes, so prompt serving ensures ideal texture contrast.

For short-term holding, prepared shakes can be refrigerated for up to 30 minutes before topping, though some separation may occur. Stir briefly before adding marshmallows. Freezing is not recommended as ice crystals form rapidly, creating a grainy texture.

Nutrition Estimate

• Calories: 680
• Protein: 10g
• Fat: 28g
• Carbohydrates: 98g
• Sugar: 78g
• Fiber: 3g

Nutritional values are estimates per serving and will vary based on specific ingredient brands and optional additions.

Frequently Asked Questions

Can I use marshmallow fluff instead of mini marshmallows?

Yes, substitute 1/4 cup marshmallow creme blended into the base, though the texture will be slightly less airy. Adjust sweetness accordingly.

How can I make this without a blender?

Mash ingredients together vigorously with a fork or potato masher, then whisk until smooth. Expect a chunkier result with visible brownie pieces.

What’s the best way to toast marshmallows without a torch?

Use a long-handled fork over a gas stove burner on medium-low heat, rotating constantly for even browning. Takes about 45 seconds per marshmallow.

Can I use frozen yogurt instead of ice cream?

Frozen yogurt will work but yields a thinner, tangier shake. Increase by 1/2 cup and reduce milk to 1/2 cup to compensate.

Conclusion

This milkshake successfully translates the beloved flavors of s’mores into a sippable format while maintaining textural interest. The strategic use of temperature contrasts and thoughtful garnishes makes it visually impressive without requiring advanced techniques. For best results, prioritize quality brownies and proper marshmallow toasting for maximum flavor impact.