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Chocolate Chip Cookie Bars

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Delightfully soft and chewy chocolate chip cookie bars, perfect for bake sales or as a comforting dessert.

  • Author: daniel-kim
  • Prep Time: 15 minutes
  • Cook Time: 34 minutes
  • Total Time: 49 minutes
  • Yield: 16 squares 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 2 and 1/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 and 1/2 teaspoons cornstarch
  • 1/2 teaspoon salt
  • 3/4 cup unsalted butter, melted
  • 1 cup packed light brown sugar
  • 1/3 cup granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 2 teaspoons pure vanilla extract
  • 1 cup semi-sweet chocolate chips
  • Optional: sprinkle of flaky sea salt

Instructions

  1. Preheat the oven to 350°F (177°C). Line a 9-inch square baking pan with parchment paper.
  2. In a large bowl, whisk together the flour, baking soda, cornstarch, and salt.
  3. Whisk the melted butter, brown sugar, and granulated sugar until no lumps remain.
  4. Add the egg, extra egg yolk, and vanilla extract to the sugar mixture.
  5. Combine the wet ingredients with the dry ingredients, mixing until just incorporated.
  6. Fold in the chocolate chips until evenly distributed.
  7. Transfer the dough to the prepared baking pan and press it into an even layer.
  8. Sprinkle with flaky sea salt if desired and press additional chocolate chips on top.
  9. Bake for 30-34 minutes, or until lightly browned and a toothpick comes out mostly clean.
  10. Allow to cool in the pan for at least an hour before slicing.

Notes

For softer, cake-like bars, experiment with baking times and ratios.

Nutrition