Sheet Pan Chocolate Chip Cookies (One Bowl, No Mixer!)

Ingredients

• 1 cup unsalted butter, melted and slightly cooled
• 1 1/2 cups dark brown sugar, packed
• 1 cup white sugar
• 2 large eggs, room temperature
• 2 large egg yolks, room temperature
• 2 Tbsp. whole milk
• 1 1/2 Tbsp. pure vanilla extract
• 3 1/2 cups all purpose flour, spooned and leveled
• 2 tsp. cornstarch
• 1 tsp. baking soda
• 1 tsp. baking powder
• 1 1/2 tsp. kosher salt
• 2 cups chocolate chips, plus more to sprinkle on top (semi sweet, milk chocolate, dark, etc. )