Chocolate-Chip Cookie Pizza Recipe

Ingredients

• 3 2/3 cups minus 2 tablespoons all-purpose flour
• 3 1/2 teaspoons cornstarch
• 1 1/4 teaspoons baking soda
• 1 1/2 teaspoons coarse salt
• 2 1/2 sticks (1 1/4 cups) unsalted butter, softened
• 1 1/4 cups (10 ounces) light brown sugar
• 1 cup plus 2 tablespoons (8 ounces) granulated sugar
• 2 large eggs
• 2 teaspoons natural vanilla extract
• 1 pound bittersweet or semisweet chocolate chips