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Home » Recipe Index » No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars

August 7, 2025 by Daleyza

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Try these delicious no bake peanut butter cereal bars. They make a perfect snack or dessert for any occasion. These bars are easy to prepare and are ideal for busy families or anyone seeking a quick, satisfying treat. With their delightful combination of peanut butter and chocolate, they are sure to impress both kids and adults alike.

Why You’ll Love This Recipe

  • Quick and Easy: With just 15 minutes of prep time, you can whip up these bars in no time.
  • No Baking Required: There’s no need to heat the oven, making this recipe perfect for warm days.
  • Versatile Ingredients: Feel free to customize with your favorite nuts or candies for a personal touch.
  • Great for Meal Prep: Make a big batch ahead of time for school lunches or road trips.
  • Kid-Friendly: These bars are a hit with children, making them a fun cooking project to do together.

Tools and Preparation

To create your no bake peanut butter cereal bars, you’ll need a few essential tools. Having the right equipment will make your cooking experience smoother and more enjoyable.

Essential Tools and Equipment

  • Large mixing bowl
  • Medium-sized saucepan
  • Non-stick spray
  • 15” x 10” x 1” baking pan

Importance of Each Tool

  • Large mixing bowl: Provides enough space to combine all the ingredients without spilling.
  • Medium-sized saucepan: Perfect for heating the syrup mixture evenly while stirring.
  • Non-stick spray: Ensures that your bars won’t stick to the pan, making removal easier.

Ingredients

For the Bars

  • 4 cups cheerios
  • 4 cups crisp rice cereal
  • 2 cups dry roasted peanuts
  • 2 cups M&Ms
  • 2 cups light corn syrup
  • 1 ¾ cups sugar
  • 2 ½ cups creamy peanut butter
  • 1 ¾ teaspoons vanilla
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How to Make No Bake Peanut Butter Cereal Bars

Step 1: Prepare the Pan

Spray a 15” x 10” x 1” baking pan with non-stick spray. Set it aside to ensure the bars don’t stick when set.

Step 2: Mix Dry Ingredients

In a large mixing bowl, combine the cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms. Set this mixture aside as you prepare the syrup.

Step 3: Make the Syrup Mixture

In a medium-sized saucepan, bring the light corn syrup and sugar to a boil over medium heat. Stir frequently until it reaches a rolling boil. Remove from heat and stir in the creamy peanut butter and vanilla, mixing until smooth.

Step 4: Combine Mixtures

Pour the syrup mixture over the cereal mixture in your large mixing bowl. Toss everything together until all dry ingredients are evenly coated with the syrup mixture.

Step 5: Set the Bars

Spread the combined mixture into your prepared baking pan. Press down gently but firmly to ensure even distribution. Allow it to sit at room temperature until fully set before cutting into bars.

How to Serve No Bake Peanut Butter Cereal Bars

These no bake peanut butter cereal bars are versatile and can be enjoyed in various ways. Whether you want a quick snack or a sweet treat, serving options abound.

For Breakfast

  • With Milk: Serve the bars with a cold glass of milk for a filling breakfast.
  • On Yogurt: Crumble the bars over yogurt for added crunch and flavor.

As Snacks

  • On-the-Go: Wrap individual bars in parchment paper for an easy grab-and-go snack.
  • At Work: Pack them in your lunchbox for a delightful afternoon boost.

For Dessert

  • Ice Cream Topping: Chop the bars into smaller pieces and use them as a topping on your favorite ice cream.
  • Chocolate Drizzle: Drizzle melted chocolate over the bars before serving for an extra touch of sweetness.

How to Perfect No Bake Peanut Butter Cereal Bars

To ensure your no bake peanut butter cereal bars turn out perfectly every time, follow these helpful tips.

  • Use Fresh Ingredients: Always use fresh cereal and nuts for optimal taste and texture.
  • Measure Carefully: Accurate measurements of the ingredients help achieve the right consistency.
  • Mix Thoroughly: Ensure all ingredients are mixed well to coat the cereal evenly with the peanut butter mixture.
  • Let Set Properly: Allow enough time for the bars to set; this is crucial for them to hold their shape.
  • Experiment with Add-ins: Feel free to add dried fruits or coconut flakes for added flavor and nutrition.
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Best Side Dishes for No Bake Peanut Butter Cereal Bars

Pairing side dishes with your no bake peanut butter cereal bars can elevate your snacking experience. Here are some great options:

  1. Fresh Fruit: Slices of apples or bananas add freshness and balance out the sweetness of the bars.
  2. Trail Mix: A mix of nuts and dried fruit complements the flavors while providing extra energy.
  3. Vegetable Sticks: Carrot or celery sticks offer a crunchy contrast that enhances your snack time.
  4. Cheese Cubes: A side of cheese adds protein and richness, making it a satisfying combination.
  5. Granola Yogurt Parfait: Layer yogurt with granola for a creamy and crunchy treat that pairs well with the bars.
  6. Nut Butter Dip: Serve with additional nut butter on the side for those who crave more peanut flavor.

Common Mistakes to Avoid

Making No Bake Peanut Butter Cereal Bars can be simple, but there are a few common mistakes that can affect the final result.

  • Not measuring ingredients accurately – Improper measurements can lead to a mixture that is too dry or too sticky. Always use measuring cups and spoons for precision.
  • Skipping the non-stick spray – Failing to spray the pan can result in bars that stick and break apart. Make sure to coat your pan evenly before spreading the mixture.
  • Overcooking the syrup mixture – Boiling the corn syrup and sugar for too long can change the texture of your bars. Remove from heat as soon as it reaches a boil.
  • Not allowing enough time to set – Cutting the bars too soon can cause them to crumble. Allow the mixture to sit undisturbed until fully set.
  • Using chunky peanut butter instead of creamy – Chunky peanut butter can create an uneven texture in your bars. Stick with creamy peanut butter for best results.

Refrigerator Storage

  • Store bars in an airtight container for up to 1 week.
  • Place parchment paper between layers to prevent sticking.

Freezing No Bake Peanut Butter Cereal Bars

  • Wrap individual bars in plastic wrap and place in a freezer-safe bag.
  • They can be frozen for up to 3 months without losing flavor.

Reheating No Bake Peanut Butter Cereal Bars

  • Oven – Preheat oven to 350°F (175°C) and warm bars for about 5-10 minutes until soft.
  • Microwave – Heat bars on medium power for 15-20 seconds, checking frequently to avoid overheating.
  • Stovetop – Use a skillet on low heat, warming each bar briefly until just soft.
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Frequently Asked Questions

Can I customize my No Bake Peanut Butter Cereal Bars?

You can easily customize these bars by adding different mix-ins like dried fruits or other kinds of nuts.

How do I make No Bake Peanut Butter Cereal Bars vegan?

To make these bars vegan, simply substitute honey with maple syrup and ensure your cereals are vegan-friendly.

How long do No Bake Peanut Butter Cereal Bars last?

These bars last about one week when stored properly in the refrigerator.

Can I use different cereals in my No Bake Peanut Butter Cereal Bars?

Absolutely! Feel free to experiment with other cereals like Cornflakes or Rice Krispies for a unique taste and texture.

Final Thoughts

These No Bake Peanut Butter Cereal Bars are not only delicious but also easy to make, making them perfect for busy days or as a sweet treat. Their versatility allows you to customize them with various add-ins, ensuring there’s something for everyone. Give this recipe a try, and enjoy a delightful snack any time of day!

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No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars
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Indulge in the delightful world of no bake peanut butter cereal bars, an effortless treat that’s perfect for any occasion. These bars combine the rich flavors of creamy peanut butter and chocolate with a satisfying crunch from cereals and nuts. In just 15 minutes, you can create a delicious snack that pleases both kids and adults alike. Ideal for busy families, school lunches, or spontaneous road trips, these customizable bars allow you to mix in your favorite ingredients for a personal touch. Whether enjoyed as breakfast, a snack on-the-go, or a sweet dessert topped with ice cream, this recipe promises a quick and tasty solution to your cravings.

  • Author: Daleyza
  • Prep Time: 15 minutes
  • Cook Time: None
  • Total Time: 0 hours
  • Yield: Approximately 20 servings 1x
  • Category: Dessert
  • Method: No Bake
  • Cuisine: American

Ingredients

Scale
  • 4 cups Cheerios
  • 4 cups crisp rice cereal
  • 2 cups dry roasted peanuts
  • 2 cups M&Ms
  • 2 cups light corn syrup
  • 1 ¾ cups sugar
  • 2 ½ cups creamy peanut butter
  • 1 ¾ teaspoons vanilla

Instructions

  1. Spray a 15'' x 10'' x 1'' baking pan with non-stick spray.
  2. In a large mixing bowl, combine Cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms.
  3. In a medium saucepan, bring light corn syrup and sugar to a boil over medium heat; stir frequently.
  4. Remove from heat and mix in creamy peanut butter and vanilla until smooth.
  5. Pour the syrup mixture over the cereal mixture and toss until well coated.
  6. Spread evenly into the prepared pan and press down gently.
  7. Allow to set at room temperature until firm before cutting into bars.

Nutrition

  • Serving Size: 1 serving
  • Calories: 210
  • Sugar: 12g
  • Sodium: 90mg
  • Fat: 9g
  • Saturated Fat: 2g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 31g
  • Fiber: 2g
  • Protein: 5g
  • Cholesterol: 0mg

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