Chocolate Chip Salted Caramel Cookies

Ingredients

• 2 cups (260 g) all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon cornstarch
• ½ teaspoon salt
• ½ cup (113 g) unsalted butter, softened
• ½ cup (105 g) light brown sugar, packed
• ½ cup (100 g) granulated sugar
• 1 large egg, plus 1 egg yolk
• 1 ½ teaspoons vanilla extract
• 1 cup (170 g) semisweet chocolate chips
• 1 cup (100 g) soft caramel candies, cut into small pieces
• 1 – 2 tablespoons coarse sea salt