Peanut Butter Cornflake Bars are a beloved no-bake treat combining the sweetness of sugar and syrup with the nutty richness of peanut butter and the satisfying crunch of corn flakes. These bars were especially popular in mid-century American kitchens for their simplicity and pantry-staple ingredients. Quick to make and perfect for school lunches, potlucks, or late-night snacks, they strike a nostalgic chord with anyone who grew up enjoying classic cereal-based desserts. A touch of salted peanuts adds extra crunch and a balance to the sweetness.
Ingredients
- 1 cup white sugar
- 1 cup white corn syrup
- ½ cup butter
- 1 cup peanut butter
- 7 cups corn flakes
- ½ cup salted peanuts (optional)
Instructions
Step 1: Make the Syrup Mixture
- Combine sugar, white syrup, and butter in a saucepan.
- Bring to a boil over medium heat, stirring frequently.
- Boil for 3 minutes.
Step 2: Add Peanut Butter
- Remove from heat and stir in the peanut butter until smooth.
Step 3: Combine with Dry Ingredients
- Place corn flakes in a large mixing bowl.
- Pour the hot mixture over the corn flakes.
- Add salted peanuts, if using.
- Mix gently to coat evenly.
Step 4: Set and Chill
- Press the mixture into a greased 9×13-inch pan.
- Refrigerate until firm, about 1 hour.
- Cut into squares or bars to serve.
Tips
- Use honey or maple syrup in place of white syrup for a flavor twist.
- Swap corn flakes for crispy rice cereal for a lighter texture.
- Add a handful of mini chocolate chips or drizzle with melted chocolate.
- Substitute almond butter or sunflower butter for peanut-free versions.
- Add a pinch of sea salt on top before chilling for a sweet-salty contrast.
Nutrition
Calories: 285kcalCarbohydrates: 39gProtein: 5gFat: 13gSaturated Fat: 4gPolyunsaturated Fat: 3gMonounsaturated Fat: 5gCholesterol: 10mgSodium: 150mgPotassium: 130mgFiber: 1gSugar: 26gVitamin A: 220IUVitamin C: 1mgCalcium: 15mgIron: 1.8mg
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