Recipe

Classic Rice Krispie Squares

Buttery, gooey, and perfectly chewy with crisp edges, made in one pot with simple pantry staples.

By Matt Campbell

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4.8

A stack of gooey Rice Krispie squares on a white plate on a sunlit kitchen table, with a few loose cereal pieces scattered nearby

Rice Krispie squares are the kind of treat that feels like a magic trick. You melt a few things, stir in cereal, press it into a pan, and suddenly you have a whole tray of chewy, buttery bars that disappear like you served them with a side of childhood.

This is my go-to classic version, with two small upgrades that make a big difference: a pinch of salt (because sweetness needs a wingman) and a gentle melt so the marshmallows stay tender, not stiff. You get that cozy snap-crackle vibe, plus the kind of gooey pull that makes you “taste test” a corner once it cools a bit. Allowed. Encouraged.

Rice Krispies cereal, mini marshmallows, butter, vanilla, and salt arranged on a clean kitchen counter in bright natural light

Why It Works

Soft and gooey, not hard: Keeping the heat low helps prevent the marshmallows from overcooking and drying out.
Chewy with crisp edges: A buttered pan plus gentle pressing gives you that perfect bite.
Big flavor from simple stuff: Butter, vanilla, and a pinch of salt make the sweetness taste deeper and less one-note.
Quick and low-drama: One pot, one pan, and you are done in about 15 minutes.

Pairs Well With

Storage Tips

Room temperature (best texture): Store squares in an airtight container for up to 3 days. Layer with parchment or wax paper so they do not weld themselves together.

Refrigerator (if your kitchen runs warm): Up to 1 week, airtight, but expect them to firm up and lose a little of that fresh gooey vibe. Let a square sit at room temp for 15 to 20 minutes before eating so it softens back up.

Freezer: Wrap individual squares tightly in plastic wrap, then place in a freezer bag for up to 6 weeks. Thaw at room temperature for 30 to 60 minutes.

My tiny fix for “stale” squares: Microwave a square for 6 to 10 seconds. It brings back the gooey factor fast.

Common Questions

Why are my Rice Krispie squares hard?

Usually it is high heat or over-stirring on the stove. Melt the butter and marshmallows over low heat, then remove from heat before adding cereal. Also, press the mixture into the pan gently. Packing it down hard makes a dense, tough bar.

Can I use regular marshmallows instead of mini?

Yes. Use the same weight. Regular marshmallows just take longer to melt, so keep the heat low and be patient.

How do I keep them extra gooey?

Reserve about 2 oz mini marshmallows (roughly 1 to 1 1/2 cups) and stir them in after the pot comes off the heat. For the best pockets, let the mixture cool for about 30 to 60 seconds before folding them in, so they soften but do not vanish completely.

Can I make these dairy-free or vegan?

Dairy-free: Yes. Swap the butter for a good dairy-free/vegan butter substitute. Most standard marshmallows are already dairy-free.

Vegan/vegetarian: Use a vegan butter substitute and choose marshmallows that are gelatin-free (many brands contain gelatin, which is not vegan or vegetarian).

What size pan should I use?

An 8x8-inch pan makes thick squares. A 9x13-inch pan makes thinner bars and sets a little faster. Both work with the same batch. For serving size, you will typically get 16 squares from an 8x8 (4x4 cut), or about 24 bars from a 9x13 (4x6 cut).

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Large pot or Dutch oven
Rubber spatula (best for folding without crushing cereal)
8x8-inch or 9x13-inch baking dish
Parchment paper (optional but very helpful)
Measuring cups and spoons

I love a dessert that does not need a mixer, a thermometer, or a pep talk. Rice Krispie squares are that friend. They show up when you need something for a bake sale, a last-minute get-together, or a “we survived Tuesday” treat. I started making them more often once I realized the difference between okay and amazing is basically just heat control and a little salt. Keep it gentle, keep it buttery, let it cool before you “sample,” and you will land in that gooey sweet spot every time.

Classic Rice Krispie Squares

(4.8 Reviews)

Prep Time 10 minutes

Cook Time 5 minutes

Total Time 15 minutes

Servings 16 squares

Ingredients

6 tablespoons unsalted butter, plus more for greasing
10 oz mini marshmallows (about 6 cups), divided
1/2 teaspoon vanilla extract
1/2 teaspoon kosher salt
6 cups Rice Krispies cereal

Optional add-ins (pick one, keep it simple):

1/2 cup sprinkles
1/2 cup mini chocolate chips (stir in once mixture cools slightly)
2 tablespoons browned butter (swap in for part of the butter)

Butter melting in a large pot on the stovetop over low heat, with a rubber spatula resting nearby

Instructions

Prep the pan. Lightly butter an 8x8-inch pan for thick squares or a 9x13-inch pan for thinner bars. For easy lifting, line with parchment, leaving a little overhang, then butter the parchment too.
Melt butter and most of the marshmallows. In a large pot over low heat, melt the butter. Add about 8 oz of the mini marshmallows (save the remaining 2 oz for later) and stir until just melted and smooth. Turn off the heat.
Season it. Stir in the vanilla and salt. This is your moment to make it taste like a real dessert, not just sweet cereal glue.
Fold in cereal, then add the reserved marshmallows. Add the Rice Krispies and fold gently until mostly coated. Let the mixture sit off the heat for 30 to 60 seconds, then sprinkle in the reserved marshmallows and fold just a few times so you get gooey pockets throughout.
Press into pan, gently. Transfer the mixture to the prepared pan. Butter your hands or the back of a spatula and press it in lightly. Do not smash it down like you are compacting snow.
Cool and slice. Let set at room temperature for about 30 to 45 minutes. (Try not to refrigerate to speed things up, it can make them firmer.) Lift out using parchment, slice into squares, and try not to “accidentally” eat the edge pieces first.