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Classic Oatmeal Cookies Recipe: Timeless Chewy Oatmeal Treats

This authentic recipe delivers everything you love about traditional oatmeal cookies with that perfect bakery-style texture that keeps you coming back for more. They're simple enough for beginner bakers yet impressive enough to satisfy even the most discerning cookie connoisseur.
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Prep Time 15 minutes
Cook Time 12 minutes
Total Time 27 minutes
Calories: 180
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1 cup unsalted butter, softened
  • 1 cup brown sugar, packed
  • ½ cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1½ cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon ground cinnamon
  • ½ teaspoon salt
  • 3 cups old-fashioned rolled oats
  • 1 cup raisins or chocolate chips (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 with brown sugar and granulated sugar until light and fluffy (about 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 smooth and well-combined.
  4. In a separate bowl, whisk together flour, baking soda, cinnamon, and salt to ensure even distribution.
  5. Gradually add dry ingredients to wet mixture, mixing on low speed until just combined. Stir in rolled oats and any optional add-ins like raisins or chocolate chips (do not overmix).
  6. Drop rounded tablespoons of dough onto prepared baking sheets, leaving about 2 inches between each cookie. Bake for 10-12 minutes, or until edges are golden brown but centers still look slightly soft.

Notes

Don't overbake - take cookies out when centers still look slightly underdone. For thicker, chewier cookies, chill dough for 30 minutes before baking. Use old-fashioned rolled oats for best texture.