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5 from 10 votes

Oatmeal Chocolate Chip Bars

Thick, chewy oatmeal chocolate chip cookie bars made with brown butter, oats, lots of chocolate chips, and a sprinkling of flaky sea salt. An easy dessert for any occasion!
Prep Time10 mins
Cook Time35 mins
Total Time45 mins
Course: Bars, Dessert
Cuisine: American
Servings: 16
Calories: 268kcal


  • 3/4 cup butter, cut into tablespoon pieces
  • 1 1/4 cups packed brown sugar
  • 1/4 cup granulated sugar
  • 1 large egg
  • 1 egg yolk
  • 1 tablespoon pure vanilla extract
  • 1 1/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon sea salt
  • 1/4 teaspoon ground cinnamon
  • 1 cup old fashioned oats
  • 3/4 cup semi-sweet chocolate chips
  • Flaky sea salt, for sprinkling on bars


  • Preheat oven to 325 degrees F. Line a 9x9-inch square baking pan with parchment paper and set aside.
  • Place the butter in a medium saucepan and melt over medium heat, stirring often, until it foams, smells nutty, and browns. This will take about 5 to 7 minutes. Scrape the browned butter into a large bowl and let cool for 5 minutes.
  • Add the brown sugar and sugar to the brown butter and stir with a wooden spoon or spatula until smooth. Add the egg, egg yolk, and vanilla. Stir until combined.
  • Add the flour, baking powder, salt, and cinnamon. Stir until just combined, don’t over mix.
  • Stir in the oats and chocolate chips.
  • Pour the dough into the prepared pan and spread with a spatula. You can use your fingers to lightly press the dough into the corners of the pan to make sure the dough is evenly spread.
  • Bake for 25 to 35 minutes or until the bars are set and golden brown. Don’t over bake the bars will continue setting up as they cool.
  • Remove from the oven and sprinkle with flaky sea salt. Let the bars cool before cutting into squares.


Calories: 268kcal | Carbohydrates: 36g | Protein: 3g | Fat: 13g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 1g | Cholesterol: 46mg | Sodium: 160mg | Potassium: 134mg | Fiber: 1g | Sugar: 23g | Vitamin A: 301IU | Vitamin C: 1mg | Calcium: 40mg | Iron: 1mg