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Irresistible Brown Butter Oatmeal Chocolate Chunk Cookies

These brown butter oatmeal cookies are soft, chewy, and packed with chocolate chunks—easy to make, unforgettable to eat.
Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Course Dessert
Servings 24 cookies

Ingredients
  

  • 1 cup unsalted butter
  • 1 cup packed brown sugar
  • 1/2 cup granulated sugar
  • 1 large egg
  • 1 egg yolk
  • 2 teaspoons vanilla extract
  • 1 3/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 2 cups old-fashioned rolled oats
  • 1 1/2 cups chopped chocolate chunks or chips
  • Flaky sea salt optional

Instructions
 

  • Brown the butter: In a saucepan over medium heat, melt the butter and continue cooking, stirring often, until it foams and turns golden brown. It will smell nutty. Remove from heat and let cool for 10 minutes.
  • Mix sugars and butter: In a large bowl, whisk the brown sugar and granulated sugar with the browned butter until smooth.
  • Add egg, yolk, and vanilla: Stir in the egg, extra yolk, and vanilla extract until fully combined.
  • Combine dry ingredients: In a separate bowl, whisk together the flour, baking soda, and salt.
  • Mix it all together: Add the dry ingredients to the wet mixture. Stir until just combined.
  • Fold in oats and chocolate: Add the rolled oats and chocolate chunks, gently folding until everything is evenly distributed.
  • Optional chill time: For thicker cookies, chill the dough for 30–60 minutes.
  • Preheat the oven: Set oven to 350°F (177°C) and line baking sheets with parchment paper.
  • Scoop and space: Scoop about 2 tablespoons of dough for each cookie and place them 2 inches apart on the prepared trays.
  • Bake until golden: Bake for 9–11 minutes or until the edges are set and the centers still look a little soft.
  • Add flaky salt and cool: Sprinkle with flaky salt while still warm. Let cookies cool on the tray for 5–10 minutes before transferring.
  • Serve and enjoy: Eat them warm or cool—either way, they’re packed with flavor and impossible to resist.