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4.68 from 56 votes

No Bake Peanut Butter Cheerio Bars

Ooey, chewy Not Bake Peanut Butter Cheerio Bars are the best! Loaded with cheerios, peanuts and covered in peanut butter. It's a hit every time!
Prep Time10 mins
Cook Time10 mins
Cooling Time1 hr
Total Time1 hr 20 mins
Course: Dessert
Cuisine: American
Servings: 20 bars
Calories: 242kcal
Author: Julie Evink


  • 1 cup white sugar
  • 1 ¼ cups light corn syrup
  • 1 cup peanut butter
  • 2 tsp vanilla
  • 1 cup peanuts
  • 6 cups Cheerios


  • Spray a 9x13 inch baking pan with nonstick spray and set aside.
  • In a medium saucepan mix together white sugar and light corn syrup. Bring to a boil.
  • Remove pan from heat and add peanut butter and vanilla. Mix until smooth.
  • Pour Cheerios and peanuts in a large mixing bowl. Pour peanut butter mixture over Cheerios and peanuts. Stir until combined.
  • Spread Cheerio mixture in prepared 9x13 inch pan. Let cool and cut into bars



Tips For Storing Cheerio Bars
Room Temperature: Store them in an airtight container, and they will keep well for two to three days at room temperature.
Freezer: Cheerio bars are freezer friendly! I like to individually wrap the bars and keep them in a large freezer bag. They will keep well for up to two months, and you can thaw them at room temperature.
Want to dress up these peanut butter cheerio bars? There are a few things you can add to put a spin on them:
  • Peanut Butter Cheerio Bars with Chocolate: You can mix in some chocolate chips or drizzle the bars with melted chocolate. Semi-sweet, dark chocolate, or milk chocolate would be great. Or try some white chocolate!
  • Add Some Sprinkles: Mix in or sprinkle some fun sprinkles over the top!
  • Mix In Reese’s Pieces: Stir some peanut butter candy into the mixture to add a fun treat in every bite.
  • Other Candy: Or, mix in chopped peanut butter cups or M&Ms!
Tips For The Best Bars
  • Use a large mixing bowl to make it easy to mix the cereal with the peanut butter mixture.
  • Don’t forget to grease the pan! This will ensure your bars don’t stick when you try to remove them. To make it even easier, line the pan with parchment paper and use it to lift the bars out in one piece to make it easy to slice them.
  • Be sure to store them in an airtight container – If the cheerio bars are exposed to air they will dry out and not be soft and chewy.


Serving: 1 | Calories: 242kcal | Carbohydrates: 35g | Protein: 6g | Fat: 11g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 5g | Trans Fat: 0.002g | Sodium: 102mg | Potassium: 168mg | Fiber: 2g | Sugar: 28g | Vitamin A: 208IU | Vitamin C: 1mg | Calcium: 39mg | Iron: 2mg