Gooey Chocolate Chip Cookie Bars

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Ingredients

1 cup unsalted butter, melted.

1 cup brown sugar.

1/2 cup granulated sugar.

2 large eggs.

1 tablespoon vanilla extract.

2 1/4 cups all-purpose flour.

1 teaspoon baking soda.

1/2 teaspoon salt.

1 cup chocolate chips.