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Ultimate Peanut Butter Oatmeal Cookies: Chewy, Nutty & Perfect Every Time

These peanut butter oatmeal cookies combine creamy peanut butter and hearty oats for a perfect treat that satisfies your sweet tooth while offering wholesome goodness. They feature chewy centers with slightly crisp edges, packed with peanut butter flavor and the satisfying chew of old-fashioned oats.
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Prep Time 20 minutes
Cook Time 12 minutes
Total Time 32 minutes
Servings: 24 servings
Calories: 180
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1 cup creamy peanut butter
  • 1 cup unsalted butter, softened
  • 1 cup brown sugar, packed
  • ½ cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1½ cups all-purpose flour
  • 2 cups old-fashioned oats
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ½ teaspoon cinnamon (optional)
  • 1 cup chocolate chips or chopped nuts (optional)

Method
 

Instructions
  1. Preheat oven to 350°F (175°C). Line baking sheets with parchment paper or silicone baking mats. Make sure butter is properly softened to room temperature.
  2. In a large mixing bowl, beat softened butter, peanut butter, brown sugar, and granulated sugar together until light and fluffy (2-3 minutes with electric mixer on medium speed).
  3. Beat in eggs one at a time, making sure each is fully incorporated before adding the next. Mix in vanilla extract until just combined.
  4. In a separate bowl, whisk together flour, baking soda, salt, and cinnamon (if using). Gradually add dry ingredients to wet mixture, mixing on low speed until just combined.
  5. Stir in old-fashioned oats until evenly distributed. If adding chocolate chips or nuts, fold them in gently at this point.
  6. Using a cookie scoop or tablespoon, drop rounded balls of dough (about 2 tablespoons each) onto prepared baking sheets, spacing them about 2 inches apart. Bake for 10-12 minutes, or until edges are golden brown but centers are still soft.
  7. Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.

Notes

For chewier cookies: Use more brown sugar than white sugar and don't overbake. For crispier edges: Use melted butter instead of softened butter and bake longer. Dough can be frozen for later baking. Store cooled cookies in airtight container for up to 5 days.