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Fastest Oatmeal Cookies Recipe: Easy One-Bowl Method for Perfect Treats

This lightning-fast oatmeal cookie recipe delivers bakery-quality results in just 20 minutes from start to finish with no chilling required and only one bowl to wash. The cookies feature crispy edges with soft, chewy centers and are perfect for busy weeknights or unexpected cookie cravings.
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Prep Time 10 minutes
Cook Time 12 minutes
Total Time 22 minutes
Calories: 120
Ingredients Method Notes

Ingredients
  

Ingredients
  • 1 cup all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ½ cup unsalted butter, softened
  • ½ cup granulated sugar
  • ½ cup brown sugar, packed
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1½ cups old-fashioned rolled oats
  • ½ cup raisins or chocolate chips (optional)

Method
 

Instructions
  1. Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper
  2. In a large bowl, whisk together the flour, baking soda, and salt
  3. Add the softened butter, granulated sugar, and brown sugar to the same bowl and cream them together until well combined and slightly fluffy
  4. Beat in the egg and vanilla extract until the mixture is smooth and uniform
  5. Stir in the rolled oats until just combined, then fold in raisins or chocolate chips if using
  6. Drop rounded tablespoons of dough onto prepared baking sheets, spacing them about 2 inches apart, and bake for 10-12 minutes until edges are golden brown
  7. Let cookies cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely

Notes

Don't overbake - cookies continue cooking on hot baking sheet after removal. Use room temperature ingredients for smooth mixing. Cookies freeze beautifully for up to 3 months.