Rice Krispie Treat Cookies

My kitchen smelled like a birthday party and a campfire had a baby the afternoon these cookies were born I had leftover marshmallows from s'mores night and a half crushed box of Rice Krispies nobody was touching and somewhere between lazy and curious this glorious mashup happened

I brought a tray of these to my neighbors potluck last summer and three people texted me that same evening asking for the recipe My friend Carlos stood by the counter eating five of them straight off the plate while telling me about his new job

Ingredients

• Unsalted butter softened (115 g): Room temperature butter creams properly and builds the fluffy base these cookies need
• Granulated sugar (100 g): Adds crispness to the edges and balances the deeper molasses notes from brown sugar
• Light brown sugar packed (110 g): This is where the chewy texture lives so pack it into your measuring cup like you mean it
• Large egg: Binds everything together and adds richness to the crumb
• Pure vanilla extract: One teaspoon is all you need to round out the sweetness warmly
• All purpose flour (190 g): Spoon and level it to avoid dense cookies from accidental overpacking
• Baking soda (12 g): Gives the cookies a slight lift and helps them spread just enough
• Baking powder: Works alongside baking soda for a tender interior
• Salt: Do not skip this it makes every sweet element taste more like itself
• Rice Krispies cereal (25 g): Fold these in last and gently so they keep their signature crunch
• Mini marshmallows (50 g): The mini size melts into perfect gooey pockets throughout each cookie
• White chocolate chips optional (170 g): Creamy pockets of sweetness that melt beautifully into the marshmallow

Instructions

Set the stage:

Preheat your oven to 350 degrees and line your baking sheets with parchment paper so nothing sticks

Build the creamy base:

Beat the butter granulated sugar and brown sugar together in a large bowl until the mixture looks pale and fluffy about two to three minutes

Add the wet soul:

Drop in the egg and vanilla then beat until everything is smooth and smells like a bakery at dawn

Whisk the dry team:

In a separate bowl whisk together the flour baking soda baking powder and salt so everything distributes evenly later

Bring it together:

Gradually add the dry ingredients to the wet mixture and stir until just combined with no dry streaks remaining

Fold in the magic:

Gently fold the Rice Krispies mini marshmallows and white chocolate chips into the dough using a spatula and a light hand

Scoop and space:

Scoop rounded tablespoons of dough onto your prepared sheets leaving about two inches between each mound for spreading

Bake to golden perfection:

Bake for ten to twelve minutes until the edges are lightly golden and the centers look just set but still soft

Cool with patience:

Let the cookies rest on the baking sheet for five minutes then transfer them gently to a wire rack to cool completely

Save

One rainy Tuesday I ate three of these still warm standing at the counter and genuinely forgot about the laundry buzzing down the hall

Getting That Perfect Chewy Gooey Balance

The trick is in not overmixing once the flour joins the party and pulling the cookies at just the right moment. Underbaked centers turn into chewy heaven as they cool on the pan. If you want extra gooeyness press a few extra marshmallows and Rice Krispies onto each cookie dough ball right before they go in the oven. It looks a little messy but the result is stunning.

Swapping and Storing Like a Pro

Milk chocolate or dark chocolate chips work beautifully if white chocolate is not your thing. These cookies store well in an airtight container at room temperature for up to four days. They also freeze beautifully for up to two months though they rarely last that long in my house.

Tools That Make This Easier

An electric mixer saves your arm from the creaming step but a sturdy spoon and some determination work too. Beyond that you just need basic bowls measuring tools and a good baking sheet. A cookie scoop gives you uniform rounds but a tablespoon works fine when you are in a hurry.

• Parchment paper is non negotiable unless you enjoy scraping marshmallow off metal
• A wire cooling rack keeps the bottoms from getting soggy
• Always check packaged ingredients for nut or soy traces if allergies are a concern

Save

Make a batch share them with someone you like and watch their face when they bite into that first crackly gooey cookie. That moment is the whole point.

Recipe FAQs

→ Can I use regular-sized marshmallows instead of mini marshmallows?

Mini marshmallows distribute more evenly throughout the dough and melt better during baking. If using regular marshmallows, cut them into small pieces first to ensure proper distribution and melting.

→ Why do my cookies turn out flat?

Flat cookies usually result from softened butter becoming too warm or overmixing the dough. Chill the dough for 15-30 minutes before scooping if your kitchen is warm, and avoid overmixing once the dry ingredients are added.

→ Can I make the dough ahead of time?

Yes, the dough refrigerates well for up to 2 days. Store it in an airtight container or wrap tightly in plastic. The cereal may soften slightly, but the cookies will still bake up beautifully with a nice texture.

→ How do I know when the cookies are done baking?

The cookies are ready when edges are lightly golden but centers still look slightly underbaked. They will continue cooking on the hot baking sheet, so removing them while centers look soft ensures a chewy, not crispy, texture.

→ Can I substitute the Rice Krispies with another cereal?

Any crispy rice cereal works beautifully. For variety, try crushed cornflakes for extra crunch, or use Fruity Pebbles for a colorful, fun variation. Keep the ratio the same for best results.

→ How should I store these cookies?

Keep cookies in an airtight container at room temperature for up to 4 days. Place parchment paper between layers to prevent sticking. For longer storage, freeze baked cookies for up to 2 months or freeze unbaked dough scoops for fresh-baked convenience.