Gooey Chocolate Chip Cookie Bars

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.