Try these delicious no bake peanut butter cereal bars. A perfect for on-the-go snack or dessert. They are easy to make, require no baking, and are packed with satisfying flavors and textures. These bars are great for kids’ lunchboxes, a quick treat after school, or even as a delightful addition to your next gathering.
Why You’ll Love This Recipe
- Quick and Easy: This recipe comes together in just 25 minutes, making it a fantastic choice for busy days.
- No Baking Required: Enjoy the convenience of no-bake cooking, which means less time in the kitchen and more time enjoying your treats.
- Customizable Ingredients: Feel free to swap in different cereals or mix-ins like dried fruits or seeds based on your preferences.
- Kid-Friendly: The sweet and nutty flavors appeal to both kids and adults, making them a hit at any event.
- Healthy Snack Option: Packed with protein from peanuts and fiber from cereals, these bars offer a satisfying treat without excessive guilt.
Tools and Preparation
To make your no bake peanut butter cereal bars successfully, having the right tools on hand is essential. Preparation can be simple with a few key items.
Essential Tools and Equipment
- Non-stick spray
- Large mixing bowl
- Medium-sized saucepan
- Spatula or wooden spoon
- 15” x 10” x 1” baking pan
Importance of Each Tool
- Non-stick spray: Ensures that your cereal bars release easily from the pan without sticking.
- Large mixing bowl: Provides ample space for combining all ingredients without spills.
- Medium-sized saucepan: Ideal for heating the corn syrup and sugar mixture evenly without burning.

Ingredients
Cereal Base
- 4 cups cheerios
- 4 cups crisp rice cereal
Add-ins
- 2 cups dry roasted peanuts
- 2 cups M&Ms
Syrup Mixture
- 2 cups light corn syrup
- 1 ¾ cups sugar
- 2 ½ cups creamy peanut butter
- 1 ¾ teaspoons vanilla
How to Make No Bake Peanut Butter Cereal Bars
Step 1: Prepare Your Pan
- Spray a 15” x 10” x 1” pan with non-stick spray. This will prevent the bars from sticking once they are set.
Step 2: Mix the Cereals
- In a large mixing bowl, combine the cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms. Stir gently until well mixed.
Step 3: Create the Syrup Mixture
- In a medium-sized saucepan over medium heat, bring the corn syrup and sugar to a boil while stirring frequently.
- Once boiling, remove the saucepan from heat.
- Stir in the creamy peanut butter and vanilla until fully combined.
Step 4: Combine Mixtures
- Pour the syrup mixture over the cereal mixture in your large mixing bowl.
- Toss everything together thoroughly to ensure that all ingredients are evenly coated.
Step 5: Set the Bars
- Spread the combined mixture into your prepared pan evenly.
- Allow it to sit at room temperature until it is set (about an hour). Cut into bars once cooled completely.
Enjoy your delicious no bake peanut butter cereal bars as a delightful snack anytime!
How to Serve No Bake Peanut Butter Cereal Bars
No bake peanut butter cereal bars are a versatile treat that can be enjoyed in various ways. Here are some creative serving suggestions to enhance your snacking experience.
On Their Own
- Enjoy these bars plain for a quick snack that satisfies your sweet tooth while providing energy.
With Fresh Fruit
- Pair the bars with fresh fruit like bananas or apples for a refreshing contrast in flavors and textures.
Crumbled Over Yogurt
- Crumble the bars over a bowl of yogurt for added crunch and a deliciously creamy treat.
As Part of a Snack Platter
- Arrange the bars alongside other snacks like nuts and dried fruits for a fun and appealing snack platter.
Drizzled with Chocolate Sauce
- Drizzle melted chocolate over the top for an indulgent twist that enhances their sweetness.
For Breakfast on the Go
- Grab a bar as a convenient breakfast option when you’re short on time but want something tasty and filling.
How to Perfect No Bake Peanut Butter Cereal Bars
Creating perfect no bake peanut butter cereal bars is simple with these helpful tips. Follow these suggestions to ensure your bars turn out just right.
- Use fresh ingredients – Ensure your peanut butter and cereals are fresh for the best flavor and texture.
- Adjust sweetness – If you prefer less sweetness, reduce the sugar slightly without compromising the texture.
- Mix well – Make sure to thoroughly combine the syrup mixture with the cereals to achieve even coating and consistency.
- Allow proper setting time – Let the bars sit long enough to firm up before cutting them; this will make slicing easier.
- Customize add-ins – Feel free to add chocolate chips, dried fruits, or seeds to personalize your cereal bars.
- Store correctly – Keep the bars in an airtight container at room temperature or refrigerated for longer shelf life.
Best Side Dishes for No Bake Peanut Butter Cereal Bars
Pairing side dishes with no bake peanut butter cereal bars can enhance your snack time. Here are some excellent options to consider:
- Fresh Fruit Salad – A mix of seasonal fruits adds freshness and balances the richness of the bars.
- Veggies and Hummus – Crunchy vegetables served with hummus provide a healthy contrast to the sweet bars.
- Trail Mix – A homemade trail mix can complement the flavors while adding extra crunch and nutrition.
- Cheese Cubes – Mild cheese cubes offer a savory option that pairs well with sweet snacks.
- Rice Cakes with Nut Butter – Spread nut butter on rice cakes for another crunchy, nutty treat alongside the bars.
- Nutty Granola – Serve with granola for an additional layer of flavor and texture that complements the cereal base.
Common Mistakes to Avoid
Creating No Bake Peanut Butter Cereal Bars can be simple, but there are some common mistakes to watch out for to ensure the best results.
- Using the wrong cereal: Choosing an inappropriate cereal can affect texture. Stick to cheerios and crisp rice for the best outcome.
- Not measuring accurately: Inaccurate measurements can lead to a mixture that is either too dry or too sticky. Use proper measuring cups and tools for precision.
- Skipping the non-stick spray: Forgetting to grease the pan may result in a difficult cleanup. Always spray your pan before adding the mixture.
- Overcooking the syrup: Boiling the corn syrup too long can make it hard. Keep an eye on it, and remove from heat as soon as it boils.
- Not allowing enough time to set: Rushing this step can lead to crumbly bars. Be patient and let them sit until fully set.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 1 week in the refrigerator.
- Place parchment paper between layers to prevent sticking.
Freezing No Bake Peanut Butter Cereal Bars
- Freeze bars in an airtight container for up to 3 months.
- Wrap each bar individually in plastic wrap for easy thawing.
Reheating No Bake Peanut Butter Cereal Bars
- Oven: Preheat to 350°F (175°C). Warm bars for about 5-10 minutes until soft.
- Microwave: Heat individual bars on high for 15-20 seconds until just warm.
- Stovetop: Warm bars in a pan over low heat, flipping occasionally until soft.
Frequently Asked Questions
What are No Bake Peanut Butter Cereal Bars?
No Bake Peanut Butter Cereal Bars are easy snacks made with cereals, peanuts, and a peanut butter mixture that requires no baking.
How long do No Bake Peanut Butter Cereal Bars last?
When stored properly, they can last up to one week in the refrigerator or three months in the freezer.
Can I customize my No Bake Peanut Butter Cereal Bars?
Absolutely! You can add different nuts or dried fruits according to your preference for extra flavor and texture.
Are No Bake Peanut Butter Cereal Bars healthy?
These bars provide a good balance of carbohydrates, protein, and healthy fats, making them a satisfying snack option when enjoyed in moderation.
Final Thoughts
No Bake Peanut Butter Cereal Bars are a delightful treat that combines flavor and convenience. Their versatility allows for numerous customizations, so feel free to experiment with your favorite ingredients. Whether you need a quick snack or a dessert option, these bars deliver satisfaction every time.
No Bake Peanut Butter Cereal Bars
Indulge in the delightful taste of No Bake Peanut Butter Cereal Bars, a quick and satisfying treat perfect for any occasion. These bars are a fantastic choice for busy families, offering a nutritious snack that requires no baking. With the rich flavor of peanut butter combined with crunchy cereals and your choice of mix-ins, they appeal to both kids and adults. They make an excellent addition to lunchboxes, after-school snacks, or even as a crowd-pleasing dessert at gatherings. Plus, they can be customized to suit your preferences—add dried fruits or swap in different cereals for a unique twist. Enjoy the convenience and deliciousness of these homemade bars that are ready to eat in just about an hour!
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: Approximately 16 servings 1x
- Category: Dessert
- Method: No Baking
- Cuisine: American
Ingredients
- 4 cups Cheerios
- 4 cups crisp rice cereal
- 2 cups dry roasted peanuts
- 2 cups M&Ms (or preferred mix-ins)
- 2 cups light corn syrup
- 1 ¾ cups sugar
- 2 ½ cups creamy peanut butter
- 1 ¾ teaspoons vanilla
Instructions
- Prepare a 15'' x 10'' baking pan by spraying it with non-stick spray.
- In a large bowl, combine Cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms.
- In a medium saucepan over medium heat, bring corn syrup and sugar to a boil while stirring frequently. Once boiling, remove from heat and stir in peanut butter and vanilla until fully combined.
- Pour the syrup mixture over the cereal mixture and toss to coat evenly.
- Spread the mixture into the prepared pan and let it set at room temperature for about an hour before cutting into bars.
Nutrition
- Serving Size: 1 bar (45g)
- Calories: 190
- Sugar: 12g
- Sodium: 40mg
- Fat: 9g
- Saturated Fat: 2g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 0mg
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