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Home » Recipe Index » No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars

July 22, 2025 by Jenesis

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Try these delicious no bake peanut butter cereal bars. A perfect for on-the-go snack or dessert, these bars combine the rich taste of creamy peanut butter with the crunch of cereals and peanuts. They are easy to make, require no baking, and can be customized to suit your taste. Enjoy them at parties, picnics, or as a quick treat during the week!

Why You’ll Love This Recipe

  • Quick and Easy: This recipe takes only 25 minutes from start to finish, making it a perfect option for busy days.
  • No Baking Required: Simply mix the ingredients and let them set – no oven needed!
  • Customizable: Feel free to switch up the mix-ins. Use your favorite nuts or candies for a personal touch.
  • Great for Meal Prep: These bars store well in an airtight container, perfect for snacks throughout the week.
  • Kid-Friendly: Children will love helping to mix and enjoy these tasty treats.

Tools and Preparation

Before diving into this delightful recipe, gather your tools to ensure a smooth cooking process.

Essential Tools and Equipment

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

Importance of Each Tool

  • Non-stick spray: Prevents the mixture from sticking to the pan, making it easier to cut into bars later.
  • Large mixing bowl: Provides enough space to combine all ingredients thoroughly without making a mess.
  • Medium saucepan: Ideal for heating the syrup mixture evenly without burning it.
  • Spoon or spatula: Helps in mixing and spreading the mixture evenly in the pan.

Ingredients

Try these delicious no bake peanut butter cereal bars. A perfect for on-the-go snack or dessert.

For the Base

  • 4 cups cheerios
  • 4 cups crisp rice cereal
  • 2 cups dry roasted peanuts
  • 2 cups M&Ms

For the Syrup Mixture

  • 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 Your Pan

Spray a 15” x 10” x 1” baking pan with non-stick spray. Set aside so it’s ready for your mixture.

Step 2: Combine Dry Ingredients

In a large mixing bowl:
1. Add cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms.
2. Gently toss until everything is mixed well. Set this aside while you prepare the syrup.

Step 3: Cook the Syrup Mixture

In a medium-sized saucepan:
1. Pour in light corn syrup and sugar.
2. Bring to a boil over medium heat, stirring frequently until dissolved.
3. Remove from heat; stir in creamy peanut butter and vanilla. Mix until smooth.

Step 4: Combine Mixtures

Pour the warm syrup mixture over the cereal mixture in your large bowl:
1. Use a spoon or spatula to toss everything together until all dry ingredients are coated evenly.

Step 5: Set Your Bars

Spread the mixture into your prepared pan:
1. Press down firmly with your hands or another flat surface to create an even layer.
2. Allow it to sit at room temperature until set, usually about an hour.

Enjoy your homemade no bake peanut butter cereal bars as a delightful treat!

How to Serve No Bake Peanut Butter Cereal Bars

These no bake peanut butter cereal bars are versatile and can be served in various ways. Whether you enjoy them as a snack or dessert, here are some creative serving suggestions to enhance your experience.

As a Quick Snack

  • Perfect for on-the-go munching, these bars make an excellent choice for busy days.

With Fresh Fruit

  • Pair your bars with sliced bananas or strawberries for a refreshing twist. The fruit adds a burst of flavor and nutrients.

Crumbled Over Yogurt

  • Break the bars into smaller pieces and sprinkle them over yogurt. This adds crunch and richness to your favorite yogurt.

Drizzled with Chocolate

  • Melt some chocolate and drizzle it over the top of the bars before serving. This enhances their sweetness and visual appeal.

Packed in Lunch Boxes

  • Cut the bars into squares and pack them in lunch boxes for kids or adults. They provide energy throughout the day.

How to Perfect No Bake Peanut Butter Cereal Bars

Making perfect no bake peanut butter cereal bars is easy with these helpful tips. Follow these suggestions for the best results.

  • Measure Ingredients Accurately: Use precise measurements for all ingredients to ensure consistency in texture and flavor.
  • Use Fresh Ingredients: Opt for fresh peanuts and cereals to enhance taste and crunchiness.
  • Let Them Cool Completely: Allow the mixture to set fully before cutting into bars; this ensures they hold together well.
  • Experiment with Mix-ins: Feel free to add dried fruits or different nuts for added flavor and nutrition.
  • Store Properly: Keep bars in an airtight container at room temperature or refrigerate for longer freshness.
  • Cut When Firm: Cut the bars only when they are firm to avoid crumbling, giving you neat, attractive pieces.
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Best Side Dishes for No Bake Peanut Butter Cereal Bars

No bake peanut butter cereal bars pair wonderfully with various side dishes. Here are some delightful options that complement their flavors perfectly.

  1. Fresh Fruit Salad: A mix of seasonal fruits adds brightness and balances the sweetness of the bars.
  2. Greek Yogurt Parfait: Layer yogurt with granola and berries for a nutritious side that pairs well with sweet snacks.
  3. Veggie Sticks with Hummus: Crisp veggies like carrots and celery provide a crunchy contrast to the soft texture of cereal bars.
  4. Smoothie Bowl: Serve a smoothie bowl topped with nuts or seeds alongside your bars for a nutrient-packed treat.
  5. Trail Mix: A handful of trail mix gives extra crunch and flavor, making it a perfect companion.
  6. Cheese Cubes: Pairing cheese cubes offers a savory option that balances out the sweetness of your dessert.

Common Mistakes to Avoid

When making No Bake Peanut Butter Cereal Bars, there are a few common pitfalls to watch out for. Avoiding these mistakes will ensure your bars turn out perfectly every time.

  • Using the wrong type of cereal: Not all cereals work well for this recipe. Stick to Cheerios and crisp rice cereal for the best texture and flavor.

  • Overcooking the syrup mixture: Boiling the corn syrup and sugar too long can lead to a hard texture. Remove it from heat as soon as it reaches a boil.

  • Not measuring ingredients accurately: Accurate measurements are crucial for the right balance of flavors. Use measuring cups and spoons for precision.

  • Skipping the non-stick spray: Failing to spray the pan can result in your bars sticking. Always grease your pan generously before adding the mixture.

  • Not allowing enough time to set: Rushing the setting process can make your bars too soft. Allow them ample time to cool and firm up before cutting.

Storage & Reheating Instructions

Refrigerator Storage

  • Duration: Store in the refrigerator for up to one week.
  • Containers: Use an airtight container to keep them fresh longer.

Freezing No Bake Peanut Butter Cereal Bars

  • Duration: These bars can be frozen for up to three months.
  • Containers: Wrap each bar individually in plastic wrap and place them in a freezer-safe bag or container.

Reheating No Bake Peanut Butter Cereal Bars

  • Oven: Preheat your oven to 350°F (175°C) and warm the bars for about 5-10 minutes until they soften slightly.

  • Microwave: Place one bar on a microwave-safe plate and heat for about 15-20 seconds for a warm treat.

  • Stovetop: Place a skillet over low heat, add a bar, and cover with a lid. Heat gently for 2-3 minutes until warmed through.

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Frequently Asked Questions

What are No Bake Peanut Butter Cereal Bars?

No Bake Peanut Butter Cereal Bars are delicious, easy-to-make snacks that combine cereals, peanuts, M&M’s, and a sweet peanut butter binding mixture without any baking required.

How long do No Bake Peanut Butter Cereal Bars last?

These bars can be stored in the refrigerator for up to one week or frozen for three months if wrapped properly.

Can I customize my No Bake Peanut Butter Cereal Bars?

Absolutely! You can add different nuts, seeds, or even swap M&M’s with chocolate chips or dried fruits based on your preference.

Are No Bake Peanut Butter Cereal Bars healthy?

While they contain sugar and peanut butter, they also provide protein and fiber from peanuts and cereals. Enjoy them as an occasional treat balanced with other healthy foods.

Final Thoughts

No Bake Peanut Butter Cereal Bars are not only quick to make but also versatile enough for any occasion. Whether you’re looking for a snack or dessert, these bars deliver satisfying crunchiness with a rich peanut butter flavor. Feel free to customize them with your favorite add-ins or toppings to match your taste preferences. Give this recipe a try; you won’t be disappointed!

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No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars
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Indulge in these delightful No Bake Peanut Butter Cereal Bars, the perfect snack or dessert for busy lifestyles. Combining creamy peanut butter with crunchy cereals and a hint of sweetness from M&Ms, these bars are a breeze to make—requiring just 25 minutes of your time and no baking whatsoever. Ideal for picnics, parties, or a quick treat at home, you can easily customize them with your favorite nuts or candies. Enjoy a satisfying blend of flavors and textures that both kids and adults will love!

  • Author: Jenesis
  • Prep Time: 10 minutes
  • Cook Time: 15 minutes
  • Total Time: 25 minutes
  • Yield: Approximately 12 servings 1x
  • Category: Dessert
  • Method: No baking required
  • 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 and set aside.
  2. In a large bowl, mix Cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms until well combined.
  3. In a medium saucepan over medium heat, combine light corn syrup and sugar. Bring to a boil while stirring frequently until dissolved.
  4. Remove from heat and stir in creamy peanut butter and vanilla until smooth.
  5. Pour the warm syrup mixture over the cereal mixture and stir until evenly coated.
  6. Spread the mixture into the prepared pan, pressing down firmly to create an even layer. Set aside to cool for about an hour before cutting into bars.

Nutrition

  • Serving Size: 1 serving
  • Calories: 220
  • Sugar: 18g
  • Sodium: 90mg
  • Fat: 10g
  • Saturated Fat: 2g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 29g
  • Fiber: 2g
  • Protein: 5g
  • Cholesterol: 0mg

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