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Reeses Pieces Peanut Butter Cookies

These easy to make Reese's Pieces peanut butter cookies are chewy, sweet and packed with peanut butter flavor. You only need 30 minutes (no-chill time) to get these ready to snack on.
Prep Time15 minutes
Cook Time15 minutes
Total Time30 minutes
Course: Dessert
Cuisine: American
Keyword: Reeses Pieces Cookies, Reeses Pieces Peanut Butter Cookies
Servings: 40 cookies
Author: Kristin

Equipment

  • Measuring cup + measuring spoons
  • cookie sheet
  • Wooden spoon or spatula
  • Mixing bowl
  • Hand or Stand Mixer

Ingredients

  • 2 ½ cups Flour
  • 2 cups Reese's Pieces
  • 1 cup Peanut butter
  • ¼ teaspoon Salt
  • 1 ¼ teaspoon Baking soda
  • 2 Eggs
  • 1 ¼ cups Granulated sugar
  • ¾ cups Brown sugar
  • 1 cup Butter unsalted + softened
  • 1 teaspoon Vanilla

Instructions

  • Preheat oven to 350°F. Lightly grease your baking sheet or line with parchment paper.
  • In a large bowl, combine softened butter, granulated sugar, and brown sugar. Cream together until light and fluffy (2–3 minutes).
  • Mix in eggs, vanilla extract, and peanut butter until fully incorporated.
  • In a separate bowl, whisk together flour, baking soda, and salt. Slowly mix this into the wet ingredients until well combined.
  • Gently fold in the Reese’s Pieces.
  • Scoop the dough into heaping tablespoon-sized balls (about 1.5 tablespoons each). Roll gently in your hands to shape.
  • Place cookies a few inches apart on the baking sheet.
  • Bake for 10–12 minutes. Start checking around 8 minutes—edges should be lightly golden, and centers still slightly soft.

Notes

Tips
  • Best type of peanut butter: Stick to regular creamy peanut butter. Natural and crunchy varieties don’t blend as smoothly into cookie dough.
  • Don’t overmix the dough – Overmixing can lead to tough, flat cookies. Mix only until ingredients are combined.
  • Consistent size = even baking – Use a cookie scoop or tablespoon so cookies are uniform in size and bake evenly.
Storage
  • Cookies: Store in an airtight container at room temp for up to 1 week, or refrigerate for up to 2 weeks.
  • Dough: Store unbaked dough in the fridge for 3–4 days, or freeze for up to 6 months (wrap tightly in plastic and seal in a freezer bag).
  • Frozen cookies: Freeze baked cookies in a sealed container for up to a year.