Brown Butter Toffee Chocolate Chunk Cookies

Ingredients (13)

• 1 cup unsalted butter
• 1 cup packed dark brown sugar
• 1/2 cup granulated sugar
• 1 large egg
• 1 large egg yolk
• 2 teaspoons vanilla extract
• 2 1/4 cups all-purpose flour
• 1 teaspoon cornstarch
• 1 teaspoon sea salt
• 1 teaspoon baking soda
• 1 cup chocolate chunks or chocolate chips
• 1/2 cup chopped Heath or Skor toffee candy bars
• Coarse sea salt