No Bake Peanut Butter Cereal Bars
Try these delicious no bake peanut butter cereal bars. They make a perfect on-the-go snack or dessert, ideal for busy days or casual gatherings. With a delightful combination of flavors and textures, these bars are sure to please everyone. Enjoy them at parties, as after-school treats, or simply as a sweet indulgence during your day.
Why You’ll Love This Recipe
- Quick and Easy: These bars come together in just 25 minutes, making them a hassle-free option for any occasion.
- No Baking Required: Save time and energy with this no-bake recipe that requires minimal effort.
- Deliciously Nutty: The creamy peanut butter combined with crunchy cereals creates a satisfying treat that is hard to resist.
- Customizable: Feel free to swap out the M&Ms for your favorite candies or add dried fruits for extra flavor.
- Great for Meal Prep: Make a batch ahead of time and keep them on hand for busy days or school lunches.

Tools and Preparation
To prepare your no bake peanut butter cereal bars, gather these essential tools for an efficient cooking experience.
Essential Tools and Equipment
- Large mixing bowl
- Medium-sized saucepan
- Measuring cups
- Non-stick spray
- 15” x 10” x 1 inch baking pan
Importance of Each Tool
- Large mixing bowl: Provides enough space to combine all ingredients without spilling.
- Medium-sized saucepan: Ideal for heating the corn syrup and sugar mixture evenly.
- Measuring cups: Ensure accurate measurements for perfect results every time.
Ingredients
For the Cereal 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
How to Make No Bake Peanut Butter Cereal Bars
Step 1: Prepare Your Baking Pan
Spray a 15” x 10” x 1 inch baking pan with non-stick spray. This will prevent the bars from sticking and make cutting easier later.
Step 2: Mix Dry Ingredients
In a large mixing bowl, combine the cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms. Toss everything together until evenly mixed.
Step 3: Cook the Syrup Mixture
In a medium-sized saucepan over medium heat, bring the light corn syrup and sugar to a boil while stirring frequently. Once it reaches a boil, remove it from the heat. Stir in the creamy peanut butter and vanilla until smooth.
Step 4: Combine Mixtures
Pour the syrup mixture over the cereal mixture in the large mixing bowl. Use a spatula to gently toss everything together until all dry ingredients are well coated.
Step 5: Set the Bars
Spread the mixture evenly into your prepared baking pan. Press down firmly to ensure it holds together well. Let it sit at room temperature until set, which usually takes about an hour.
Enjoy your delicious no bake peanut butter cereal bars as an easy snack or dessert!
How to Serve No Bake Peanut Butter Cereal Bars
No bake peanut butter cereal bars are versatile and can be enjoyed in various ways. Here are some creative serving suggestions to enhance your snacking experience.
Individual Snack Packs
- Pack each bar in a small bag for an easy on-the-go snack. Perfect for school lunches or road trips.
Dessert Platter
- Arrange bars on a platter alongside fresh fruits and chocolate dips. This makes for an appealing dessert spread at gatherings.
Ice Cream Topping
- Crumble the bars over a scoop of vanilla ice cream. This adds a delightful crunch and flavor contrast to your dessert.
Breakfast Treat
- Serve with a side of yogurt and berries for a quick breakfast option that combines protein and fiber.
Kids’ Party Favors
- Cut the bars into fun shapes using cookie cutters. Wrap them individually as party favors for children’s gatherings.
With Hot Beverages
- Pair with coffee or hot chocolate. The rich peanut butter flavor complements warm drinks beautifully.
How to Perfect No Bake Peanut Butter Cereal Bars
Getting your no bake peanut butter cereal bars just right is important for flavor and texture. Here are some helpful tips to ensure success.
- Use fresh ingredients: Ensure that your cereals and peanuts are fresh for the best taste and texture.
- Measure accurately: Use precise measurements for the corn syrup, sugar, and peanut butter to achieve the perfect consistency.
- Mix thoroughly: Make sure to toss the cereal mixture well with the syrup to coat every piece evenly.
- Let cool completely: Allow the bars to set at room temperature until firm before cutting. This helps maintain their shape.
- Experiment with add-ins: Feel free to add other mix-ins like dried fruit or chocolate chips for extra flavor.
- Store properly: Keep the bars in an airtight container at room temperature or refrigerate for longer freshness.
Best Side Dishes for No Bake Peanut Butter Cereal Bars
Pairing your no bake peanut butter cereal bars with complementary side dishes can elevate your meal. Here are some great options.
-
Fruit Salad
A refreshing mix of seasonal fruits balances the sweetness of the bars. -
Yogurt Parfait
Layer yogurt with granola and berries for a nutritious side that pairs well with dessert flavors. -
Trail Mix
A crunchy blend of nuts, seeds, and dried fruits adds variety and nutrition alongside your bars. -
Veggie Sticks with Dip
Crisp vegetables served with hummus or ranch offers a healthy contrast to sweet treats. -
Cheese Platter
A selection of cheeses can provide a savory balance, making it perfect for gatherings. -
Rice Cakes
Light and airy rice cakes can serve as an additional crunchy snack option alongside the bars.
Common Mistakes to Avoid
Making no bake peanut butter cereal bars is easy, but a few common mistakes can lead to less-than-perfect results. Here are some tips to ensure your bars turn out delicious every time.
- Skipping the non-stick spray: Not spraying your pan can cause the bars to stick, making it hard to cut them later. Always use non-stick spray for easy removal.
- Overcooking the syrup mixture: Boiling the corn syrup and sugar for too long can make the mixture too thick. Remove from heat as soon as it reaches a boil for the best consistency.
- Not measuring ingredients accurately: Improper measurements can lead to dry or overly sticky bars. Use proper measuring cups for accuracy in your recipe.
- Forgetting to let them set: Cutting the bars before they have set properly can result in a crumbly mess. Allow enough time for them to cool and firm up before slicing.
- Using chunky peanut butter: This recipe calls for creamy peanut butter for a smooth texture. Chunky varieties may not mix well with the other ingredients.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to one week.
- Keep separated with parchment paper if stacking, to prevent sticking.
Freezing No Bake Peanut Butter Cereal Bars
- Wrap individual bars in plastic wrap, then place in a freezer-safe bag.
- They can be frozen for up to three months without losing flavor.
Reheating No Bake Peanut Butter Cereal Bars
- Oven: Preheat oven to 350°F (175°C). Place bars on a baking sheet for about 5 minutes until warm.
- Microwave: Heat on medium power for 15-20 seconds per bar until slightly warm.
- Stovetop: Place bars in a skillet over low heat, flipping occasionally until warmed through.
Frequently Asked Questions
Here are some common questions about making no bake peanut butter cereal bars.
Can I use different cereals?
Yes! You can swap Cheerios or crisp rice cereal with other types of cereals like cornflakes or granola for varied flavors and textures.
How do I make these bars healthier?
To make healthier no bake peanut butter cereal bars, consider reducing sugar or using natural sweeteners like honey or maple syrup. You can also add seeds or dried fruits.
Can I add chocolate chips?
Absolutely! Adding chocolate chips is a great way to enhance flavor. Mix them into the cereal before adding the syrup mixture.
How long do no bake peanut butter cereal bars last?
When stored properly in an airtight container, these bars can last up to one week in the refrigerator and three months in the freezer.
What should I do if my mixture is too dry?
If your mixture is dry, try adding a bit more peanut butter or corn syrup while mixing until you achieve the desired consistency.
Final Thoughts
These no bake peanut butter cereal bars are not only quick and easy to prepare but also incredibly versatile. Feel free to customize them by adding your favorite nuts, seeds, or dried fruits. Give them a try and enjoy a delightful treat that’s perfect for any occasion!
No Bake Peanut Butter Cereal Bars
Indulge in the delightful world of No Bake Peanut Butter Cereal Bars, a simple yet satisfying treat that combines the creamy richness of peanut butter with crunchy cereals and sweet M&Ms. These bars are not only quick to prepare—taking just 25 minutes—but they also require no baking, making them an ideal snack or dessert for busy days, school lunches, or casual gatherings. Perfect for kids and adults alike, these bars are customizable to suit your taste preferences. Add your favorite candies, dried fruits, or nuts for an even more delicious experience. Enjoy these sweet treats at parties or as a convenient on-the-go option!
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Total Time: 25 minutes
- Yield: Approximately 12 servings 1x
- Category: Dessert
- Method: No Bake
- Cuisine: American
Ingredients
- 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
- Spray a 15'' x 10'' x 1 inch baking pan with non-stick spray.
- In a large mixing bowl, combine Cheerios, crisp rice cereal, dry roasted peanuts, and M&Ms.
- In a medium saucepan over medium heat, boil light corn syrup and sugar while stirring frequently. Once boiling, remove from heat and stir in peanut butter and vanilla until smooth.
- Pour the syrup mixture over the cereal mixture and toss gently until evenly coated.
- Spread the mixture into the prepared baking pan and press down firmly. Let sit at room temperature for about 1 hour until set.
Nutrition
- Serving Size: 1 bar (40g)
- Calories: 180
- Sugar: 12g
- Sodium: 80mg
- Fat: 8g
- Saturated Fat: 2g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 24g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 0mg