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5 from 1 vote

Pumpkin Chex Cookies

Pumpkin Chex Cookies are a no-bake treat loaded with peanut butter, Chex cereal, marshmallows, and that all-important pumpkin pie spice!
Prep Time10 mins
Resting Time30 mins
Total Time40 mins
Course: Dessert
Cuisine: American
Keyword: Pumpkin Chex Cookies
Servings: 30
Calories: 179kcal
Author: Amanda Rettke--iambaker.net


  • 1 cup (200g) granulated sugar
  • 1 cup (340g) corn syrup
  • 1 tablespoon pumpkin pie spice
  • 1 teaspoon vanilla
  • cups (387g) creamy peanut butter
  • 1 pinch kosher salt
  • 5 cups Chex cereal, I used Rice Chex
  • 2 cups mini marshmallows


  • Line two cookie sheets with parchment paper. Set aside.
  • In a large saucepan, add the sugar, corn syrup, pumpkin pie spice, and vanilla. Bring to a low boil, stirring frequently.
  • Carefully add the peanut butter and pinch of salt and stir until the peanut butter is fully incorporated. Turn off the heat.
  • Add in the Chex cereal and stir well, making sure each piece is coated. Let it sit for 2 minutes.
  • Pour the marshmallows in and stir until evenly dispersed, but not too long. The marshmallows will start to melt, but you do not want them to melt completely.
  • Using a 2-tablespoon scoop, scoop out mounds of the Chex mixture onto the cookie sheet. They will not spread much, so you can place them close together.
  • Let them sit for about 30 minutes to firm up.
  • Store in layers in an airtight container.


Calories: 179kcal