Brown Butter Salted Double Chocolate Chunk Cookies

INGREDIENTS

• 1 stick/1/2 cup unsalted butter
• 1/2 cup granulated sugar
• 1/2 cup light brown sugar, packed
• 1 large egg
• 1/2 teaspoon pure vanilla extract
• 1 1/4 cups all-purpose flour
• 1/2 teaspoon kosher salt
• 1/2 teaspoon baking soda
• 1/2 cup unsweetened cocoa powder
• 1 1/2 cups chocolate chunks
• 2 tablespoons kosher salt for sprinkling on top