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    Home » Easy Recipes » Three Ingredient Recipes

    Cheerio marshmallow treats

    Published: Jun 4, 2023 · Modified: Nov 10, 2023 by Susan Moncrieff · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe

    This is the best snack when you are looking for something quick and easy to make. It only takes three ingredients that you can easily keep at home. It's great when you want to provide a treat for a group. Also, it's a no-bake treat which is fantastic in the summer!

    Cheerio cereal and marshmallow bar with chocolate drizzle.

    No need to heat up your home making these! These bars are also an inexpensive way to feed a snack to a group. It seems like the grocery store is the only place I get to. Some other fun cereal treats I share include these Apple Jacks cereal apples and these delectable Special K Bars!

    Table of contents

    • Why this is a great treat/snack.
    • Ingredients
    • Substitutions
    • Helpful Tip
    • Portioning Hint
    • Storage
    • FAQs
    • Other cereal-based treats

    Why this is a great treat/snack.

    • It uses ingredients you probably have at home.
    • This takes about 15 minutes to assemble.
    • A no-bake dessert is awesome in the summer!
    • Doesn't everyone love Cheerios?
    • This is an inexpensive treat that feeds a group.

    Ingredients

    marshmallow treat ingredients.

    Super simple ingredients!

    The small box of Cheerios will be enough.

    Buy the mini marshmallows.

    I use salted butter. You only need 3 tablespoons.

    Substitutions

    I've used other Cheerios and they add nice flavor variations. For example, Honey Nut Cheerios are a delicious substitution.

    If you have unsalted butter, that works perfectly well!

    Instructions

    Step 1

    Line a 11 x 13 pan with parchment paper (optional).
    In a large heavy pot, melt three tablespoons of butter. You want to just melt the butter, be careful not to scorch it.

    Step 2
    Add Cheerios. I normally take the pot off the heat and stir in the Cheerios. You want to do this quickly while the marshmallows are liquid.

    chocolate banana muffins
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    Adding Cheerios to melted marshmallows.

    Step 3
    Dump cereal and marshmallow mixture into a lined pan. Flatten the mixture by pressing firmly to create a smooth surface.

    Helpful Tip

    Marshmallows make this mixture STICKY! Spray the back of a large spoon or spatula with nonstick spray. It will make flattening the cereal mixture much easier.

    Step 4 (optional)
    If you want to add drizzled chocolate, melt ½ cup of your favorite chocolate chips in the microwave. Scrape melted chocolate into a small freezer bag. Cut the corner off the bag and squeeze the chocolate over the cereal.

    A filled plastic bag to be used to drizzle chocolate over cereal bars.

    Portioning Hint

    Lift up the cereal mixture out of the pan so you can cut it with a large knife. Cut while still warm but not hot. I normally cut 18 pieces if cutting larger treats (3 x 6) or 24 if you are making small treats (4 x 6)

    Cutting Cherrio bars.

    Storage

    I leave these sitting out at room temperature for a maximum of 3 days. The ingredients don't go bad, but the bars will get hard. If you refrigerate bars, allow them to warm to room temperature or they will be hard.

    FAQs

    My cereal treats are hard when I make them. Why?

    You want to just melt the marshmallows on low heat. If you 'cook' them, rather than just melt them, they will be hard rather than chewy.

    I have a different cereal at home. Can I use it?

    Yes, use what you have.

    Can I make these healthier?

    Not really. These will be high carb and will be sweetened by the marshmallows. Do not reduce any of the ingredient amounts or the treats won't come together.

    Other cereal-based treats

    • two special K Bars on a white plate.
      Special K Bars
    • Apple Jacks apples
      Apple Jacks apples
    • a plate with full sized scotcheroo cereal squares and small cut pieces.
      Scotcheroos Recipe
    • Peanut butter chocolate chip bars with oatmeal.
      Peanut Butter Chocolate Chip Bars - with oatmeal.
    Cheerio cereal and marshmallow bar with chocolate drizzle.
    Print Recipe
    5 from 5 votes

    Cheerio marshmallow treats

    A delicious cereal treat bar using cherries and drizzling it with chocolate. A nice portable snack or even an occasional breakfast on the go!
    Prep Time10 minutes mins
    Cook Time10 minutes mins
    Total Time20 minutes mins
    Course: Dessert
    Cuisine: American
    Servings: 24 bars
    Calories: 70Kcal
    Author: Susan Moncrieff

    Ingredients

    • 3 tablespoons butter
    • 10 oz marshmallows use fresh ones!
    • 6 cups Cheerio cereal

    Instructions

    • Melt butter in a big pot on low heat. Do not let it scorch.
    • Add a 10 oz bag of marshmallows. Hint - small ones melt faster!
    • Stir and stir again. Watch the heat and make sure you don't brown the butter or marshmallows.
    • Add 6 cups of Cheerios. Remove from heat.
    • Stir to thoroughly coat the Cheerios with the marshmallows.
    • Dump into a 11 x 13 dish which has been treated with a non-stick spray or lined with parchment paper.
    • Melt about ½ cup of chocolate in a microwave safe bowl (20 seconds at a time then stir - repeat until chocolate is smooth)
    • Pour chocolate into a small plastic baggie and make a tiny cut at the corner. Drizzle over your Cheerio marshmallow treats.
    • Cut while still warm but not hot.

    Notes

    Helpful Tip

    Marshmallows make this mixture STICKY! Spray the back of a large spoon or spatula with nonstick spray. It will make flattening the cereal mixture much easier.
    Other cereal treats.
    Apple Jacks apples
    Special K cereal bars

    Nutrition (I am not a nutritionist. These are estimates only)

    Serving: 1square | Calories: 70Kcal | Carbohydrates: 13g | Protein: 1g | Fat: 2g | Saturated Fat: 1g | Polyunsaturated Fat: 0.2g | Monounsaturated Fat: 0.5g | Trans Fat: 0.1g | Cholesterol: 4mg | Sodium: 47mg | Potassium: 34mg | Fiber: 1g | Sugar: 7g | Vitamin A: 217IU | Vitamin C: 1mg | Calcium: 20mg | Iron: 2mg
    closeup of cheerio treat bar.

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    Reader Interactions

    5 from 5 votes (5 ratings without comment)

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    I'm Susan! I love sharing easy recipes, especially those that take less than 30 minutes and have less than 5 ingredients. I'm passionate about gardening and creating flower planters. My home is 100 years old and sometimes you will see it in my posts! It was a true fixer upper and I love it!

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