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peanut butter cookie next to spoon of peanut butter

Chewy Peanut Butter Oatmeal Cookies

5 from 2 votes
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Prep Time 10 minutes
Cook Time 12 minutes
Total Time 1 hour 2 minutes
Servings 20 cookies
Course Dessert
Cuisine American
These chewy peanut butter oatmeal cookies are soft in the center, slightly crisp on the edges, and packed with nutty flavor. A quick chill and sugar roll give them the perfect bakery-style texture and sparkle in every bite.

Equipment

  • Baking Sheet
  • Parchment Paper
  • Mixer
  • Mixing Bowls
  • Spatulas
  • Cookie Scoop
  • Measuring Cups
  • Measuring Spoons
  • Wire Rack

Ingredients

  • ½ cup creamy peanut butter
  • ½ cup butter softened
  • ¾ cup brown sugar packed
  • 2 tbsp granulated sugar plus more for rolling
  • 1 large egg
  • 1 ½ tsp vanilla extract
  • ½ cup old-fashioned rolled oats
  • ¾ cup all-purpose flour
  • 2 tbsp cornstarch
  • ¾ tsp baking soda
  • ¾ tsp salt

Instructions

  • Preheat oven to 350°F and line a baking sheet with parchment paper
  • In a mixer, cream together your peanut butter, butter, brown sugar, and granulated sugar until smooth
  • Beat in the egg and vanilla extract until fully combined
  • Add in the oats, flour, cornstarch, baking soda, and salt, mixing until just combined
  • Cover your batter and place it in the fridge for 25 minutes
  • Pour extra granulated sugar into a small bowl. Scoop 2 tablespoons worth of dough and roll into a ball, then roll in sugar
  • Place cookies a few inches apart on a baking sheet. I usually bake 6 cookies on one standard-sized sheet. Store remaining dough in the fridge between bakes
  • Bake for 12 minutes, remove, and let them cool on the baking sheet for 5 minutes. Then transfer the cookies to a wire rack to cool completely
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