The Food Lab's Chocolate Chip Cookies

Ingredients

• ounces unsalted butter
• standard ice cube
• ounces all-purpose flour
• teaspoon baking soda
• teaspoons Diamond Crystal kosher salt or 1 teaspoon table salt
• ounces granulated sugar
• large eggs
• teaspoons vanilla extract
• ounces dark brown sugar
• ounces semisweet chocolate, roughly chopped with a knife into 1/2- to 1/4-inch c
• Coarse sea salt, for garnish