Cinnamon Toast Crunch Treats Recipe (No-Bake Cereal Bars)

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Mix up your classic Rice Krispies treats and try these Cinnamon Toast Crunch treats instead! This fun variation of the iconic Rice Krispies combines gooey marshmallows with crunchy cinnamon-sugar cereal to create a quick and tasty homemade treat that takes just 7 minutes to prepare and requires no baking.

Three Cinnamon Toast Crunch cereal bars stacked on a plate with marshmallows around.

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These cereal treats offer the perfect amount of crunch with warm cinnamon flavors that the whole family will love. The best part is how simple ingredients transform your favorite breakfast cereal into delicious treat bars that are perfect for classroom parties, school snack time, or satisfying those sweet cravings at home.

Looking for more easy treats? These Neapolitan Rice Krispies Treats are another fun twist, and these Lucky Charms Cupcakes bring cereal flavors to a whole new level!

Reasons You’ll Love This Recipe

  • No-Bake Convenience: These easy treats require no oven time, making them one of the best ways to satisfy dessert cravings quickly. Just microwave, mix, and press into your prepared pan for homemade treats in minutes.
  • Simple Ingredients: With just four main ingredients from the cereal aisle, this great recipe transforms everyday items into something special. The gooey marshmallow mixture binds the crunchy cinnamon cereal perfectly.
  • Perfect for Parties: These cereal bars are ideal for classroom parties and school events. They’re easy to transport, cut into perfect squares, and offer a fun twist on traditional Rice Krispies treats that kids absolutely love.
  • Customizable Flavor: If you’re a fan of Cinnamon Toast Crunch, you’ll love how this recipe amplifies those vanilla flavors and cinnamon sugar flavor. The warm cinnamon taste brings breakfast treats vibes to dessert time.
Cinnamon Toast Crunch cereal bars with marshmallows on a white surface.

Cinnamon Toast Crunch Treats Ingredients

See the recipe card below for a complete list of ingredients and measurements.

Box of Cinnamon Toast Crunch, mini marshmallows, butter, spoon, and towel on table.
  • Cinnamon Toast Crunch Cereal – Use one 18.8-ounce box of Cinnamon Toast Crunch cereal for the perfect base. This crunchy cinnamon cereal provides the signature flavor and texture that makes these treats special compared to traditional Rice Krispies treats.
  • Mini Marshmallows – Two 10-ounce bags of mini marshmallows or about 4 cups of mini marshmallows create the gooey marshmallow mixture that binds everything together. Mini marshmallows melt more evenly than large marshmallows.
  • Butter – One stick of unsalted butter (1/2 cup or about 4 tablespoons of butter) helps create the smooth, melted marshmallow mixture and adds richness to the final treats.
  • Cooking Spray – Nonstick cooking spray prevents sticking and makes it easier to press the cereal mixture into your 9×13-inch pan with clean hands.

Substitutions and Additions

  • Cereal Variations: Try fruity pebbles treats, golden grahams, or lucky charms for different flavor profiles. Any crunchy cereal from the cereal aisle works well with this method.
  • Extra Flavoring: Add a teaspoon ground cinnamon or vanilla extract to the melted marshmallow mixture for enhanced vanilla flavors and deeper cinnamon taste.
  • Mix-ins: Fold in chocolate chips, melted white chocolate drizzle, or crushed snickerdoodle cookies for extra indulgence and texture variety.
  • Pan Size: Use a 9-inch pan for thicker bars or a larger 13-inch pan for thinner treats, adjusting the recipe portions accordingly.

How to Make Cinnamon Toast Crunch Treats (step-by-step directions)

Marshmallows and butter being melted in a bowl.

STEP 1. Start by spraying your 9×13 baking dish with nonstick cooking spray to ensure easy removal later. Cut your butter into small squares, about 1 tablespoon in size each, for faster and more even melting in the microwave.

STEP 2. Add the mini marshmallows and butter pieces to an extra large mixing bowl or microwave-safe bowl. The bowl should be large enough to accommodate the expanding marshmallows and allow room for stirring the cereal mixture. (Photos 1 & 2)

STEP 3. Microwave the marshmallow and butter mixture for 2 minutes and 30 seconds, or until the marshmallows have risen near the top of the bowl. Watch carefully to prevent overflow, as marshmallows expand significantly when heated.

STEP 4. Remove from the microwave and stir immediately until no chunks of butter or marshmallow are visible. If you still see lumps after stirring, return to the microwave for 10-second intervals until you achieve a smooth, gooey marshmallow mixture. (Photo 3)

Cinnamon cereal mixed with marshmallow in a bowl and spread in a baking dish.

STEP 5. Quickly add the Cinnamon Toast Crunch cereal to the bowl and stir rapidly to coat all cereal pieces with the melted marshmallow mixture. Work fast, as the mixture will start to set at room temperature. (Photos 4 & 5)

STEP 6. Transfer the cereal mixture to your prepared pan and press evenly using clean hands sprayed with cooking spray or a piece of parchment paper. Press firmly but gently to avoid crushing the cereal pieces. (Photo 6)

A plate with cereal marshmallow bars and mini marshmallows on the side.

Recipe Tips

  • Timing is Key: The fun part of this recipe is working quickly once the marshmallows are melted. Have your cereal measured and ready to go before you start microwaving for the best results.
  • Bowl Size: Use an extra-large mixing bowl to prevent marshmallow overflow. If you don’t have a big enough bowl, make half the recipe at a time and layer in the pan.
  • Pressing Technique: Spray your hands with nonstick cooking spray or use plastic wrap to press the mixture evenly without it sticking to your hands or utensils.
  • Temperature Control: Don’t use high heat in the microwave as it can burn the marshmallows. Medium heat or regular microwave power works best for even melting.

Storing Tips

  • Storage: Store these homemade treat bars in an airtight container at room temperature in a dry spot for up to 4-5 days. Proper storage maintains their crispy snack texture.
  • Temperature: Keep at room temperature and avoid storing in the refrigerator or freezer, as cold temperatures will make the treats soggy and rubbery, losing their perfect crunch.
  • Freshness: For best texture and flavor, consume within 3 days of making. The cereal may lose some crunchiness over time but will still taste delicious.
  • Portability: These breakfast treats are perfect for packing in lunch boxes or taking to classroom parties since they don’t require refrigeration and travel well.

Serving Suggestions

These Cinnamon Toast Crunch treats are perfect for satisfying sweet cravings any time of day. Serve them alongside Homemade Funfetti Sheet Cake for birthday parties or classroom celebrations.

For a cereal-themed dessert spread, pair with Lucky Charms Cupcakes and Chocolate Lucky Charms Bark for a fun twist on favorite desserts that takes breakfast flavors to dessert time.

They also make great additions to bake sale tables alongside Easy Blueberry Oatmeal Bars and Apple Oatmeal Bars for variety in your homemade treats selection.

Stacked cereal treats made with Cinnamon Toast Crunch and marshmallows.

Recipe FAQs

Can I make these Cinnamon Toast Crunch bars with different cereals? 

Absolutely! This recipe works great with Fruit Loops, Golden Grahams, Lucky Charms, or any crunchy cereal. Each creates a unique flavor profile while maintaining the same great texture.

Why are my treats turning out too hard or too soft? 

The key is the right ratio of melted marshmallow mixture to cereal. Too much heat can make them hard, while not enough cooking time leaves them too soft. Follow the microwave timing closely for best results.

Can I add peanut butter to this recipe? 

Yes! Add 2-3 tablespoons of peanut butter to the melted marshmallow mixture for extra richness and flavor. This creates a delicious variation that pairs wonderfully with the cinnamon flavor.

How do I prevent the treats from sticking to the pan? 

Use plenty of nonstick cooking spray on both the pan and your hands when pressing. You can also line the pan with parchment paper for even easier removal and cleaner cuts.

What’s the best way to cut these cereal bars cleanly? 

Use a sharp knife and wipe it clean between cuts. For the cleanest cuts, let the treats set completely for the full hour before cutting, and use a sawing motion rather than pressing straight down.

Three golden cereal bars stacked on a plate with mini marshmallows around them.
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Cinnamon Toast Crunch Treats Recipe


Author: Kim Schob
Course: Snacks
Cuisine: American
Prep Time: 7 minutes
Resting Time 1 hour
Total Time: 1 hour 7 minutes
These no-bake Cinnamon Toast Crunch treats combine gooey marshmallows with crunchy cinnamon cereal in just 7 minutes of prep time

Ingredients 

  • 1 18.8 ounces Box Cinnamon Toast Crunch Cereal
  • 2 10-Ounce Bags Mini Marshmallows
  • cup Stick Butter
  • Cooking Spray

Instructions

  • Start by spraying your 9×13 baking dish with nonstick cooking spray to ensure easy removal later. Cut your butter into small squares, about 1 tablespoon in size each, for faster and more even melting in the microwave.
    1½ cup Stick Butter ,Cooking Spray
  • Add the mini marshmallows and butter pieces to an extra large mixing bowl or microwave-safe bowl. The bowl should be large enough to accommodate the expanding marshmallows and allow room for stirring the cereal mixture.
    2 10-Ounce Bags Mini Marshmallows
  • Microwave the marshmallow and butter mixture for 2 minutes and 30 seconds, or until the marshmallows have risen near the top of the bowl. Watch carefully to prevent overflow, as marshmallows expand significantly when heated.
  • Remove from the microwave and stir immediately until no chunks of butter or marshmallow are visible. If you still see lumps after stirring, return to the microwave for 10-second intervals until you achieve a smooth, gooey marshmallow mixture.
  • Quickly add the Cinnamon Toast Crunch cereal to the bowl and stir rapidly to coat all cereal pieces with the melted marshmallow mixture. Work fast, as the mixture will start to set at room temperature.
    1 18.8 ounces Box Cinnamon Toast Crunch Cereal
  • Transfer the cereal mixture to your prepared pan and press evenly using clean hands sprayed with cooking spray or a piece of parchment paper. Press firmly but gently to avoid crushing the cereal pieces.

Notes

  • Timing is Key: The fun part of this recipe is working quickly once the marshmallows are melted. Have your cereal measured and ready to go before you start microwaving for the best results.
  • Bowl Size: Use an extra-large mixing bowl to prevent marshmallow overflow. If you don’t have a big enough bowl, make half the recipe at a time and layer in the pan.
  • Pressing Technique: Spray your hands with nonstick cooking spray or use plastic wrap to press the mixture evenly without it sticking to your hands or utensils.
  • Temperature Control: Don’t use high heat in the microwave as it can burn the marshmallows. Medium heat or regular microwave power works best for even melting.

Nutrition Information

Calories: 191kcal (10%) Carbohydrates: 0.4g Protein: 0.1g Fat: 21g (32%) Saturated Fat: 4g (25%) Polyunsaturated Fat: 6g Monounsaturated Fat: 10g Trans Fat: 4g Sodium: 174mg (8%) Potassium: 5mg Sugar: 0.1g Vitamin A: 6IU Vitamin C: 0.1mg Vitamin D: 0.01µg Calcium: 1mg Iron: 0.1mg (1%)

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