Chocolate Chip Cookie Bars

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These chocolate chip cookie bars are an easy cookie dough made with melted butter and baked in a 9x13 pan.

Prep Time15

Cook Time20

Total Time35

Course: Dessert

Cuisine: American

Servings: servings

Calories: 253kcal

Position a rack in the center of the oven and preheat the oven to 350°F. Grease with nonstick cookie spray or line with parchment paper a 9x13 or baking pan.
In a large bowl, whisk the melted butter, brown sugar, and granulated sugar together until smooth and combine. 1 cup (226 g, 2 sticks) unsalted butter 1 cup (213 g) packed light brown sugar ½ cup (100 g) granulated sugar
Whisk in the eggs, egg yolk and vanilla until evenly mixed in. 2 large eggs 1 large egg yolk 2 teaspoons pure vanilla extract
With a spatula or wooden spoon, stir in the flour, baking soda, cornstarch and salt and mix together. The dough will be soft and thick. Fold in 1 1/2 cup of the chocolate chips. Press the cookie dough into an even layer into the prepared pan. Top with remaining ½ cup chocolate chips. 2 ¼ cups (280 g) all-purpose flour 1 teaspoon baking soda 1 ½ teaspoons cornstarch 1 teaspoon salt 2 cup (340 g) semi-sweet chocolate chips
Bake the bars for 20-25 minutes or until the edges are very lightly browned. The centers will look very soft, but the cookie bars will continue to set as they cool. Remove from the oven to allow to cool.

Store the cooled cookie bars in an airtight container at room temperature for up to 3–5 days. Keep them tightly covered to maintain their soft texture.
To freeze baked cookie bars, let them cool completely, then slice and place in a freezer-safe container or bag. Freeze for up to 3 months. Thaw at room temperature before serving. To freeze the dough, press it into a pan then wrap tightly and freeze. Label the container with the date and baking instructions so you don’t forget later. Choose a dish that can go from freezer to oven safely. When ready to bake from frozen, you can bake the dough straight from the freezer at 350°F. Add an extra 3–5 minutes to the baking time and keep an eye on the center so it stays soft.