See how easy it is to make perfect Rice Krispie Treats in the microwave! This wonderful crispy rice and marshmallow recipe is a single serving version of a classic dessert. Only three ingredients needed and takes just minutes to make!

Rice Krispie Treats were a favorite dessert of mine growing up. In fact, it was probably one of the first recipes my mother let me cook by myself. What could go wrong? Marshmallows, a little butter, Rice Krispies cereal - so easy to throw together.
What Are Rice Krispie Treats?
Rice Krispie treats are a dessert commonly made by binding Kellogg's Rice Krispies or another crisp rice cereal together with butter and marshmallows. They were first made in 1939 at the Kellogg company as a fundraiser.
I first posted this "Rice Krispies Treats Recipe For One" a few years ago when my kids were in college. I wanted to give them an easy recipe they could make in their dorm rooms.
The photos I took for that old post made me cringe; poor lighting, out of focus, and just plain old boring. Since this recipe for rice crispy treats is a total classic, I thought it was high time to update the photos and have a little fun with creating this single serving favorite again.
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Why This Recipe Works
- It's a classic! I've been making rice krispies treats for years with this recipe and it works.
- You only need 3 ingredients!
- There is the perfect ratio of marshmallows to cereal making these treats absolutely delicious.
- These treats take minutes to make and are a great way to satisfy the desire for a little something sweet.
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Ingredient Notes
See recipe box below for ingredient amounts and full recipe instructions.
- Butter: I use ½ tablespoon of salted butter in this single serving rice krispie treats recipe. If you don't have salted butter, use unsalted butter and add a pinch of salt while melting. Do not use margarine.
- Marshmallows: Use either 1 cup of miniature marshmallows or 8 large marshmallows. You might like to consider using any extra marshmallows you have to make a decadent Mini S'mores Dip!
- Crispy rice cereal: Use 1 cup of the traditional Kellogg's Rice Krispies cereal or any brand of crispy rice cereal.
How To Make This Recipe
- Melt the marshmallows and butter in a microwave for 30 seconds.
- Stir in the rice cereal and pour into your buttered baking dish.
So simple!
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With the holidays right around the corner, you might want to consider adding colorful, festive candies as a topping to your rice crispy treats.
You can even spread a layer of lemon curd on top - talk about good!!!
In minutes, you can enjoy this easy to make treat.
Expert Tips
- Once the marshmallows have melted, remove them from the microwave immediately. If they cook longer, the marshmallows will harden and thicken.
- Don't overstir the cereal once it's added to the marshmallows. The crispy rice cereal is delicate and over-stirring can break the cereal pieces.
- Press the mixture into the pan gently. You don't want a firm and compact rice krispie treat - instead, you want a gooey and light cereal treat.
Frequently Asked Questions
Store up to 3 days at room temperature in an airtight container.
Yes! Place the treat in an airtight container and freeze for up to 6 weeks. Let stand at room temperature for 15 minutes before eating.
For this rice krispie treats recipe, I use a 5-inch baking dish, for best results use a dish of similar size.
For more information on the cooking and baking dishes I use in our “recipes for one”, please visit our FAQ page.
For examples of the dishes used at One Dish Kitchen, please visit our Store page.
Variations
Feel free to get creative with these rice krispie treats variations:
- Cocoa Krispies
- Cinnamon Toast Crunch
- Cheerios
- Lucky Charms
- Chex
- Reese's Puffs
Other No Bake Dessert Recipes
If you like this easy to make rice crispy treats recipe, you might also like these single serving no bake dessert recipes:
If you’ve tried this rice krispies treat for one or any recipe on One Dish Kitchen please let me know how you liked it by rating the recipe and telling me about it in the comment section below.
Also, if you take a picture please tag us on Instagram (@onedishkitchen) we’d love to see!
Rice Krispie Treats For One
See the post above for expert tips,
FAQs and ways to use leftover ingredients.
Equipment
Ingredients
- ½ tablespoon salted butter
- 1 cup miniature marshmallows or 8 large marshmallows
- 1 cup crispy rice cereal
Instructions
- Place the butter and the marshmallows in a microwave safe bowl. Microwave for 30 seconds. Remove bowl from microwave.
- Stir in the crispy rice cereal.
- Transfer to small lightly buttered dish. Gently press down with the back of a spoon. Cool before eating.
Notes
- Once the marshmallows have melted, remove them from the heat immediately. If they cook longer, they will harden and thicken.
- Don't overstir the cereal once it's added to the marshmallows. The crispy rice cereal is delicate and over-stirring can break the cereal pieces.
- Press the mixture into the pan gently. You don't want a firm and compact rice krispie treat - instead, you want a gooey and light treat.
The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.
Jwells says
Add a tsp of peanut butter to the marshmallow mix while melting then add rice cereal-gives it some flavor. To get really crazy throw in a tblsp of mini chocolate chips after it’s all mixed but not too hot. Press into dish as usual.
Elizabeth Barnett says
kinda blah with the missing vanilla! otherwise, this is a great recipe!
Christina M Vincent says
Nice simple recipe for one or two ....
Joanie Zisk says
Thank you, Christina.
Laura Potts says
I am so happy I found this recipe! I love Rice Krispie treats, but since I live alone, I never make them because I don't want to eat the whole pan myself. Now that won't be a problem. The only possible problem I can see is I might make this recipe to often 😊
Joanie Zisk says
Hi Laura, I love this recipe so much and for the exact same reasons you do. It's great for portion control and with Rice Krispies treats, I have absolutely no will power. This mini size is perfect for me 🙂 Thank you so much for letting me know like the recipe.
Howard says
Love the concept of cooking for one. Kids grown and out of house. Ex-wife moved on. Not found of fancy foods or left overs. Have freezed extra food but except for soups things get thrown out(my dogs love leftovers.). Thanks again.
Mimi says
Thank you so much! I always had to make a big batch, for the “grandkids”. But Mimi always ended up eating most of them! This is sooooo perfect. I added a little bit of vanilla after I mixed it all up.