Classic Rice Krispie treats cut into squares and stacked on a white plate.

Rice Krispie Treat Recipe

Classic Rice Krispie treats with crisp rice cereal folded into buttery melted marshmallows and pressed into soft, chewy squares.

Prep 10 min
Cook 5 min
Total 45 min
Servings 12 squares
Difficulty Easy
Jump to Recipe Adapt This Recipe
Pan13 by 9 inches (in) Air fryerConversion not recommended

Contains: Milk · Barley

Check the labels of the cereal and marshmallows you use if allergies or dietary restrictions apply. This recipe uses standard Rice Krispies cereal rather than a specifically gluten-free crisp rice cereal, so Gluten-Free is not assigned.

WHY IT WORKS

Why This Recipe Works

01

Use the Classic Ratio

The familiar balance of crisp rice cereal, marshmallows and butter gives the treats enough coating to hold together while keeping the cereal light and crisp.

02

Melt Over Low Heat

Low heat melts the butter and marshmallows smoothly without unnecessary browning, which helps the finished squares stay soft and chewy.

03

Press Lightly

Gently pressing the warm mixture into the pan gives neat bars without compacting the cereal into hard, dense squares.

WHAT YOU’LL NEED

Equipment

9 by 13-inch baking pan
Large saucepan
Heatproof silicone spatula

THE RECIPE

Ingredients & Method

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Servings

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Ingredients

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Method

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  1. Lightly butter a 9 by 13-inch baking pan and set it aside.
  2. Melt the 3 tablespoons (tbsp) butter in a large saucepan over low heat.
  3. Add the marshmallows and cook over low heat for about 3 to 5 minutes, stirring constantly, until completely melted and smooth. Remove the saucepan from the heat as soon as the mixture is smooth.
  4. Add the Rice Krispies cereal and fold gently but quickly until all of the cereal is evenly coated with the marshmallow mixture.
  5. Transfer the mixture to the prepared pan. Using a lightly buttered spatula, press it into an even layer without compacting it firmly. Let the treats cool at room temperature for about 30 minutes, then cut into 12 squares.

COOKING GUIDANCE

Practical Cooking Notes

Make Ahead

Make the treats up to 1 day ahead. Cool them completely, cut into squares and store them in an airtight container at room temperature with parchment paper between layers. Refrigeration can make them firmer.

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Dietary options

Make This Recipe Work for You

Only straightforward swaps are offered automatically. If changing a defining ingredient would effectively create a different dish, that conversion is left out.

Make It Vegetarian

Change the following ingredient:

Replace10 ounces (oz) mini marshmallows

With10 ounces (oz) mini vegetarian marshmallows

Use the same quantity and check the product label for the diet you need.

Make It Dairy-Free

Change the following ingredient:

Replace3 tablespoons (tbsp) unsalted butter, plus extra for greasing

With3 tablespoons (tbsp) unsalted plant-based butter, plus extra for greasing

Use the same quantity of a plant-based butter suited to cooking or baking as required.

For allergies, intolerances or strict dietary requirements, check the labels of the specific products you use. These swaps do not certify a recipe or ingredient as allergen-free.

Recipe Notes

Ingredient Notes

Fresh mini marshmallows melt quickly and evenly. Plain Rice Krispies cereal gives the familiar crisp texture; measure it without crushing the cereal so the finished treats stay light.

Useful Substitutions

Salted butter can replace unsalted butter, although the finished treats will taste slightly saltier. Another plain crisp rice cereal can replace Rice Krispies in the same volume, but the flavor and texture may vary.

INGREDIENT QUALITY

Quality Note

Use fresh, soft marshmallows and keep the saucepan over low heat. Heating the marshmallows longer or hotter than necessary can make the finished treats firmer instead of soft and chewy.

SPEND LESS

Cost-Saving Tip

A plain store-brand crisp rice cereal can replace Rice Krispies in the same volume when it has a similar light, crisp texture. Compare the unit price rather than the box price when choosing cereal.

COOKING TIPS

Tips

Use Fresh Marshmallows

Fresh, soft marshmallows melt more smoothly than older marshmallows and help give the finished treats a softer, chewier texture.

Melt Over Low Heat

Keep the saucepan over low heat and stir until the marshmallows are just smooth. Excess heat can make the finished treats firmer.

Fold in the Cereal Quickly

Once the marshmallows are melted, add the cereal promptly and fold just until it is evenly coated so the mixture stays easy to spread.

Press, Don’t Pack

Spread the mixture into an even layer with light pressure. Packing it down firmly can turn otherwise chewy treats hard and dense.

MAKE IT LAST

Storing & Freezing

Storing

Once fully cool, keep the squares in an airtight container at room temperature. For the best texture, use them within about 2 days and place parchment paper between stacked layers.

Freezing

Wrap individual squares well and freeze them in an airtight container or freezer bag for up to about 1 month. Thaw them, still wrapped, at room temperature before serving.

Keep Them Soft

Room-temperature storage gives a softer texture than refrigeration. Keep the container tightly closed so the cereal does not dry out and the marshmallow coating stays chewy.

ESTIMATED PER SERVING

Nutrition

1 of 12 squares

150 kcal Calories
4 g Fat 5% DV
2.5 g Saturated fat 13% DV
28 g Carbohydrate 10% DV
0 g Fiber 0% DV
14 g Sugars
13 g Added sugars 26% DV
1 g Protein
105 mg Sodium 5% DV
10 mg Cholesterol 3% DV

Nutrition information is an estimate. Where shown, % Daily Value uses standard US Daily Values for adults and children aged 4+; actual values vary with ingredient brands, exact quantities and portion size.

QUESTIONS

Rice Krispie Treat FAQs

Why did my Rice Krispie treats turn out hard?

Hard treats are usually caused by heating the marshmallows too aggressively or pressing the mixture too firmly into the pan. Use low heat, stop cooking as soon as the marshmallows are smooth and press the cereal mixture into the pan gently.

Can I use large marshmallows instead of mini marshmallows?

Yes. Use the same 10-ounce weight. Larger marshmallows may take a little longer to melt, so keep the heat low and stir until the mixture is completely smooth.

What size pan should I use for Rice Krispie treats?

A 9 by 13-inch pan gives the classic thickness for this batch. A smaller pan will make thicker squares and may need a little more cooling time before cutting.

Can I make Rice Krispie treats ahead of time?

Yes. They are best made no more than about a day ahead. Cool them completely, cut them into squares and keep them tightly covered at room temperature.

Do Rice Krispie treats need to be refrigerated?

No. An airtight container at room temperature is usually better for texture. Refrigeration can make the marshmallow coating firm and the treats less chewy.

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