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Peanut Butter Oatmeal Cookies Recipe


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4.2 from 55 reviews

  • Author: Sophia
  • Total Time: 25 minutes
  • Yield: 24 cookies

Description

Deliciously chewy Peanut Butter Oatmeal Cookies combine the rich, creamy flavor of peanut butter with the hearty texture of oats for a satisfying treat. These cookies are easy to make with simple pantry ingredients and perfect for a quick snack or dessert.


Ingredients

Wet Ingredients

  • 1/2 cup unsalted butter (112 grams), softened
  • 1/2 cup packed brown sugar (100 grams)
  • 1/3 cup granulated sugar (66 grams)
  • 1/2 cup peanut butter (120 grams)
  • 1 large egg
  • 1 tsp vanilla extract

Dry Ingredients

  • 3/4 cup all-purpose flour (94 grams)
  • 3/4 tsp baking soda
  • 1/4 tsp salt
  • 3/4 cup quick oats
  • 1/2 cup old-fashioned oats


Instructions

  1. Preheat Oven: Preheat your oven to 350°F (180°C or 170°C fan forced). Line baking sheets with parchment paper or silicone baking mats to prevent sticking and ensure easy cleanup.
  2. Cream Butter and Sugars: In a large bowl, beat together the softened butter, brown sugar, granulated sugar, and peanut butter until the mixture is creamy and smooth, with no lumps remaining.
  3. Add Egg and Vanilla: Mix in the egg and vanilla extract until fully incorporated, creating a uniform batter.
  4. Combine Dry Ingredients: Add the all-purpose flour, baking soda, and salt to the bowl. Stir a few times by hand to begin mixing, then use a mixer on low speed to beat until just combined, avoiding overmixing.
  5. Incorporate Oats: Turn off the mixer and fold in the quick oats and old-fashioned oats gently by hand, ensuring even distribution throughout the dough.
  6. Form Cookie Dough Balls: Using a spoon or cookie scoop, form dough balls about 1 to 1.5 tablespoons each, roughly the size of a ping pong ball. Place them on the lined baking sheets at least 2 inches apart without flattening them.
  7. Bake: Bake one sheet at a time in the middle rack of the preheated oven for 9–12 minutes, or until the cookie tops are just set and lightly golden.
  8. Cool: Remove cookies from the oven and allow them to cool on the baking sheet for 5-10 minutes to firm up. Then transfer cookies to a cooling rack to cool completely.

Notes

  • Peanut Butter: Use commercially prepared smooth peanut butter for consistent texture and oil content. Avoid natural or homemade peanut butter with separated oil for best results.
  • Oats: This recipe uses a combination of quick oats (not instant) and old-fashioned rolled oats. You can substitute one for the other, maintaining a total of 1 1/4 cups oats.
  • Chilling the Dough: Chilling dough is optional but will produce thicker cookies. Wrap dough and refrigerate for up to 48 hours before baking as directed.
  • Storage: Store baked cookies in an airtight container for up to 5 days to keep them fresh.
  • Nutrition: Values are estimates based on 24 cookies of equal size produced from this recipe.
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American