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Crispy Cornflake Peanut Butter Cookies

A timeless treat crafted with simplicity, these no-bake cornflake peanut butter cookies combine sweet and salty flavors with a satisfying crunch. Ideal for gatherings, lunch snacks, or impromptu dessert cravings, they come together quickly and require minimal effort—perfect for both novice bakers and busy kitchens.
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Course: Dessert
Cuisine: American
Keyword: Crispy Cornflake Peanut Butter Cookies
Prep Time: 15 minutes
Additional Time: 30 minutes
Total Time: 45 minutes

Ingredients

  • 3 cups approximately 85 grams of crispy cornflake cereal
  • ½ cup around 120 grams of smooth-style peanut butter
  • ¼ teaspoon of fine salt
  • ½ cup about 100 grams of white granulated sugar
  • 1 teaspoon of pure vanilla extract
  • ½ cup roughly 160 grams of light corn syrup
  • 2 tablespoons of unsalted butter optional but enhances richness

Instructions

  • Prepare a baking sheet by lining it with parchment paper. Set aside for use after mixing.
  • In a medium-sized saucepan, combine the sugar, corn syrup, peanut butter, and butter (if including). Warm the mixture gently over low to medium heat, stirring continuously with a heat-resistant spatula, until it comes to a gentle boil.
  • Once the mixture reaches a boil, immediately remove the saucepan from the burner. Stir in the vanilla extract and salt, ensuring they are fully mixed into the hot mixture.
  • Add the cornflake cereal to the saucepan. Using a flexible spatula, fold the flakes into the mixture gently to avoid breaking them, stirring until every piece is evenly coated.
  • Coat a small cookie scoop lightly with non-stick spray. Use it to portion out mounds of the mixture onto the prepared baking tray. Flatten the tops slightly if you prefer a more uniform shape.
  • Let the formed cookies rest at room temperature for approximately 30 minutes, or until they are completely firm and set.