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Home » Recipe Index » No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars

August 4, 2025 by Jolene

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Try these delicious no bake peanut butter cereal bars. A perfect for on-the-go snack or dessert, they combine crunchy cereals with creamy peanut butter and a hint of sweetness from M&Ms. Whether you’re preparing a quick treat for your kids or looking for a satisfying snack to enjoy at work, these bars will delight everyone. They are easy to make, require no baking, and can be customized with your favorite mix-ins.

Why You’ll Love This Recipe

  • Quick and Easy: With only 15 minutes of prep time, you can whip up a batch in no time.
  • No Baking Required: Enjoy the convenience of a dessert that doesn’t need an oven.
  • Customizable: Feel free to mix in your favorite nuts or chocolate candies for unique flavors.
  • Perfect for On-the-Go: These bars are ideal for busy days, school lunches, or as a post-workout snack.
  • Family-Friendly: Kids love the combination of peanut butter and candy, making it a hit for all ages.

Tools and Preparation

To prepare your no bake peanut butter cereal bars, you’ll need some essential tools. These will help ensure that everything goes smoothly during the process.

Essential Tools and Equipment

  • Mixing bowl
  • Saucepan
  • Measuring cups
  • Baking pan (15” x 10” x 1”)
  • Non-stick cooking spray

Importance of Each Tool

  • Mixing bowl: A large bowl is essential for combining all the ingredients thoroughly for even flavor distribution.
  • Saucepan: Used to heat the corn syrup and sugar mixture; ensures it’s well combined before pouring over the dry ingredients.

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 Binding 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 it aside while you prepare the mixture.

Step 2: Combine Dry Ingredients

In a large mixing bowl, combine:
1. Cheerios
2. Crisp rice cereal
3. Dry roasted peanuts
4. M&Ms
Gently toss them together until evenly mixed.

Step 3: Heat Syrup Mixture

In a medium-sized saucepan:
1. Bring the corn syrup and sugar to a boil over medium heat while stirring frequently.
2. Once boiling, remove from heat.
3. Stir in the creamy peanut butter and vanilla until smooth.

Step 4: Combine Mixtures

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

Step 5: Set in Pan

Spread the combined mixture evenly into your prepared baking pan:
1. Press down gently with a spatula to create an even layer.
2. Let it sit at room temperature until set, about 30 minutes.

Enjoy your homemade no bake peanut butter cereal bars! They’re sure to become a favorite snack in your household!

How to Serve No Bake Peanut Butter Cereal Bars

No bake peanut butter cereal bars are versatile and can be enjoyed in many ways. Whether as a snack, dessert, or a party treat, these bars are sure to please everyone.

Pair with Fresh Fruit

  • Apples: Slice up some fresh apples for a crunchy and sweet contrast to the chewy bars.
  • Bananas: Serve with banana slices for a delightful combination of flavors and added nutrition.

Create a Dessert Platter

  • Cheese: Add cubes of cream cheese or cheddar for a savory touch that balances the sweetness.
  • Yogurt: Offer yogurt on the side for dipping, adding a creamy texture that complements the bars.

Top with Chocolate Drizzle

  • Melted Chocolate: Drizzle melted chocolate over the bars for an extra decadent treat.
  • Nutella: Spread a thin layer of Nutella on top for a rich and nutty flavor.

Enjoy with Ice Cream

  • Vanilla Ice Cream: Serve alongside vanilla ice cream for a deliciously creamy pairing.
  • Chocolate Ice Cream: Pair with chocolate ice cream for those who love indulgent desserts.

How to Perfect No Bake Peanut Butter Cereal Bars

Making no bake peanut butter cereal bars can be simple, but there are ways to ensure they turn out perfect every time. Follow these tips for the best results!

  • Use Fresh Ingredients: Ensure your cereals and peanuts are fresh to maintain great taste and texture.
  • Measure Accurately: Use precise measurements for sugar and corn syrup to achieve the right consistency.
  • Work Quickly: Once you combine the syrup mixture with cereals, mix quickly to ensure even coating before it sets.
  • Cool Before Cutting: Allow the bars to cool completely before cutting them into squares; this helps them hold their shape better.
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Best Side Dishes for No Bake Peanut Butter Cereal Bars

These no bake peanut butter cereal bars pair well with several side dishes that enhance their flavor. Here are some great suggestions.

  1. Fruit Salad: A refreshing mix of seasonal fruits provides a light contrast to the rich bars.
  2. Trail Mix: A blend of nuts and dried fruits offers additional crunch and nutrition alongside the bars.
  3. Veggie Sticks: Carrot and celery sticks bring a healthy, crunchy option that balances sweetness.
  4. Granola: Serve granola on the side as an extra crunchy topping or snack option.
  5. Chocolate Milk: A glass of chocolate milk complements the peanut butter flavor while satisfying sweet cravings.
  6. Smoothies: Pair with a fruit smoothie for a deliciously refreshing drink option that adds nutrients.

Common Mistakes to Avoid

Making No Bake Peanut Butter Cereal Bars can be simple, but some common mistakes can affect the final result. Here are a few to watch out for:

  • Not measuring ingredients accurately: Precision is key in baking. Use measuring cups and spoons to get the right quantities for a perfect texture.
  • Skimping on the non-stick spray: If you don’t use enough non-stick spray, your bars will stick to the pan. Be generous to make sure they come out easily.
  • Overheating the syrup mixture: Boiling the corn syrup and sugar too long can cause it to become too thick. Remove it from heat as soon as it reaches a boil.
  • Inadequate mixing: Failing to mix the syrup into the cereal mixture thoroughly can lead to uneven bars. Toss them until every piece is coated.
  • Rushing the cooling process: Allowing the bars to set properly is crucial for their structure. Don’t cut them until they are completely cooled and set.

Storage & Reheating Instructions

Refrigerator Storage

  • Duration: Store in an airtight container for up to 1 week.
  • Container type: Use a plastic or glass container with a tight lid to keep them fresh.

Freezing No Bake Peanut Butter Cereal Bars

  • Duration: These bars can be frozen for up to 3 months.
  • Container type: Wrap individual bars in plastic wrap and place them in a freezer-safe bag or container.

Reheating No Bake Peanut Butter Cereal Bars

  • Oven: Preheat to 350°F (175°C). Place bars on a baking sheet and warm for about 5-10 minutes until soft.
  • Microwave: Heat individual bars on a microwave-safe plate for 10-15 seconds until just warm.
  • Stovetop: Place bars in a skillet over low heat, stirring gently until warmed through.
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Frequently Asked Questions

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

You can substitute honey with maple syrup and use vegan chocolate instead of M&Ms. Additionally, choose a plant-based butter alternative.

Can I use different cereals in my Peanut Butter Cereal Bars?

Absolutely! You can mix various cereals such as Rice Krispies or Corn Flakes. Just maintain the overall volume of dry ingredients used.

How long do No Bake Peanut Butter Cereal Bars last?

When stored properly, these delicious bars last up to one week in the refrigerator and three months if frozen.

What are some great toppings for No Bake Peanut Butter Cereal Bars?

Consider adding shredded coconut, chopped dark chocolate, or even drizzling melted chocolate on top for extra flavor!

Final Thoughts

These No Bake Peanut Butter Cereal Bars are not only tasty but also incredibly versatile. You can customize them with your favorite nuts, seeds, or even swap out M&Ms for dried fruit. They make for an ideal snack or dessert that’s quick and easy to prepare. Give this recipe a try and enjoy these delightful treats!

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No Bake Peanut Butter Cereal Bars

No Bake Peanut Butter Cereal Bars
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Indulge in the delightful experience of homemade No Bake Peanut Butter Cereal Bars. These scrumptious treats combine crunchy cereals, creamy peanut butter, and colorful M&Ms for a satisfying snack or dessert that requires no oven. Perfectly suited for busy days, school lunches, or post-workout cravings, these bars are not only quick to prepare but also customizable with your favorite mix-ins. In just 15 minutes, you can create a batch that will please kids and adults alike, making them an irresistible treat for any occasion.

  • Author: Jolene
  • Prep Time: 15 minutes
  • Cook Time: None
  • Total Time: 0 hours
  • Yield: Approximately 24 servings 1x
  • Category: Dessert
  • Method: No Baking
  • 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 mixing bowl, combine Cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms.
  3. In a saucepan, bring corn syrup and sugar to a boil over medium heat while stirring frequently. Remove from heat and stir in peanut butter and vanilla until smooth.
  4. Pour the syrup mixture over the cereal mixture and toss until thoroughly coated.
  5. Spread the mixture evenly in the prepared pan and press down gently with a spatula. Allow it to set at room temperature for approximately 30 minutes before cutting into bars.

Nutrition

  • Serving Size: 1 bar (45g)
  • Calories: 210
  • Sugar: 12g
  • Sodium: 100mg
  • Fat: 9g
  • Saturated Fat: 1.5g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 31g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 0mg

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