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5 from 1 vote

Peanut Butter Oatmeal Cookies

These peanut butter oatmeal cookies might just be the perfect cookie. Loaded with peanut butter, dark brown sugar, ground oats, whole oats, and peanut butter chips, these cookies are absolutely chewy and packed with peanut butter flavor! Gluten free.
Prep Time10 mins
Cook Time15 mins
Total Time25 mins
Course: Dessert
Cuisine: American
Keyword: peanut butter oatmeal cookies
Servings: 14 large cookies
Calories: 385kcal
Author: Jennifer Debth


  • 1/2  cup  unsalted butter room temperature
  • 1 cup creamy peanut butter
  • 3/4  cup  dark brown sugar packed
  • tablespoon  vanilla extract
  • large egg room temperature
  • 1 1/4  cups  ground old fashioned oats *
  • 1 1/2  cups  old fashioned oats left whole
  • 1/2  teaspoon  baking soda
  • 1/2  teaspoon  salt
  • 1/2  cup  peanut butter chips plus more for topping if desired
  • Maldon sea salt optional for topping


  • Preheat oven to 350 degrees F and line 2 baking sheets with silicone mats.
  • Using a hand mixer, beat butter, peanut butter, and brown sugar together in a large bowl until fluffy, about 2 minutes.
  • Beat in vanilla and egg.
  • Beat in ground oats, whole oats, baking soda, and salt. Mix until well combined.
  • Beat in peanut butter chips.
  • Using a 1/4 cup measuring cup, pack dough into the 1/4 cup and turn out dough onto prepared baking sheet - no more than 6 cookies on each baking sheet. Flatten out slightly with a fork like you would a peanut butter cookie.
  • Bake one sheet of cookies in preheated oven until golden brown, about 15 minutes.
  • Remove from oven and sprinkle with Maldon sea salt, if desired, then let cookies sit for 5 minutes.
  • Transfer to a wire cooling rack to let finish cooling or eat immediately!
  • Repeat with remaining dough.
  • Store leftovers in an airtight container at room temperature.



*Make ground oats by placing about 2 cups old fashioned oats in your food processor. Grind until the oats resemble flour. Measure out 1 and 1/4 cups ground oats and resume with recipe!


Serving: 1large cookie | Calories: 385kcal | Carbohydrates: 40g | Protein: 11g | Fat: 21g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 31mg | Sodium: 231mg | Potassium: 221mg | Fiber: 5g | Sugar: 18g | Vitamin A: 15IU | Calcium: 32mg | Iron: 1.5mg