Marshmallow crispy cookies

Marshmallow crispy cookies are my absolute favorite when I’m craving something that tastes like a rice krispie treat but in cookie form. I first made these after spotting similar ones at Costco, and honestly, the homemade version wins every single time because you get that fresh-from-the-oven warmth.

I stumbled on this recipe during a weekend when I had leftover rice krispies from breakfast. The brown butter gives these cookies an incredible caramel-like depth that regular butter just can’t match. Each bite delivers crispy edges, chewy marshmallow pockets, and that signature crunch from the cereal. These marshmallow crispy cookies come together in under 30 minutes with no chilling required, making them perfect for last-minute cravings or unexpected guests.

What You’ll Need for Perfect Marshmallow Cookies

I always use salted butter for browning because it adds just the right savory balance to the sweet marshmallows. Pro tip: make sure your butter is fully cooled before mixing with the sugars, or your dough will be too runny and the cookies won’t hold their shape properly.

• ½ cup (113.5 g) salted butter
• ¾ cup (165 g) brown sugar
• ½ cup (100 g) granulated sugar
• 1 large egg, room temperature
• 1 teaspoon vanilla (vanilla paste works great)
• ½ teaspoon baking soda
• ¾ teaspoon salt
• 1 cup + 2 tablespoons (158 g) all-purpose flour
• 1½ cups (43 g) rice krispie cereal
• ⅔ cup (30 g) mini marshmallows
• Flaked salt for topping

How to Make These Irresistible Cookies

I recommend watching your butter carefully during the browning process since it can go from perfect to burnt in about 30 seconds. Taking your time with this step makes all the difference in achieving that nutty, caramel flavor.

Step 1: Preheat your oven to 350°F and line a large baking sheet with parchment paper.

Step 2: Place ½ cup butter in a medium saucepan over medium heat. Let it melt completely, then continue cooking past the foaming stage. Stir frequently and watch for the butter to turn golden brown with a nutty aroma, about 5-7 minutes total. The milk solids at the bottom should be amber colored. Pour immediately into a bowl and refrigerate for 10 minutes until cool but still pourable.

Step 3: In a medium mixing bowl, combine the cooled brown butter with both sugars. Mix on low speed for about 30 seconds. Add the room temperature egg and vanilla, mixing until the mixture looks smooth and slightly glossy.

Step 4: Slowly mix in salt, baking soda, and flour. Stop mixing as soon as you no longer see dry flour streaks. Overmixing creates tough cookies with less spread.

Step 5: Gently fold in the rice krispie cereal using a spatula until evenly distributed. Then add mini marshmallows and fold just until combined. The marshmallows should stay whole, not get crushed.

Step 6: Using a 3 tablespoon cookie scoop, portion dough into large balls. Place only 4-5 marshmallow crispy cookies per sheet since they spread quite thin during baking.

Step 7: Bake for 10-13 minutes. Look for light golden brown edges while the centers still appear slightly underbaked and soft. They’ll firm up as they cool. Immediately sprinkle with flaked salt while still hot. If marshmallows cause irregular shapes, use a spatula to gently push edges into round circles while cookies are still warm.

Perfect Pairings for Marshmallow Cookies

These sweet, crispy treats balance beautifully with both light and rich accompaniments.

Cold Milk: The classic pairing works perfectly here. The creamy milk cuts through the buttery sweetness while complementing the marshmallow flavor.

Vanilla Ice Cream: Serve these cookies slightly warm alongside vanilla ice cream for a rice krispie treat sundae experience. The temperature contrast and creamy texture make this combination irresistible.

Hot Chocolate: During cooler months, dunk marshmallow crispy cookies into hot chocolate for a double marshmallow treat that feels extra cozy and indulgent.

Fresh Berries: Strawberries or raspberries add bright, tart notes that balance the cookie’s sweetness. This pairing works especially well for spring and summer gatherings.

More Sweet Treats to Complete Your Dessert Spread

These marshmallow crispy cookies pair beautifully with other homemade treats that showcase simple ingredients transformed into something special. For an elegant dessert spread, serve them alongside sophisticated Maple Pecan Scones where the nutty maple flavor creates a perfect contrast to the sweet marshmallow notes. The buttery Strawberry Danish adds a fruity, flaky element that balances the crispy cookie texture.

When hosting gatherings, round out the dessert table with indulgent options like Healthy Chocolate Cake for chocolate lovers, or add seasonal favorites such as Sourdough Pumpkin Scones. These combinations create a varied dessert selection that satisfies every sweet tooth at the table.

Keeping Your Cookies Fresh

Store marshmallow crispy cookies in an airtight container at room temperature for 2-3 days. They taste best within the first day when the edges stay crispy and the centers remain chewy. I recommend placing parchment paper between layers to prevent sticking.

For longer storage, freeze baked cookies in an airtight container for up to 3 months. Let them thaw at room temperature for about 15 minutes before serving. You can also freeze unbaked cookie dough balls on a tray, then transfer to a freezer bag once solid. When baking frozen dough, reduce oven temperature to 325°F and add 2-3 minutes to the baking time.

Common Questions About This Recipe

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