Salted Brown Butter Dark Chocolate Chip Cookies

INGREDIENTS

• 1 stick unsalted butter
• 1/2 cup packed light brown sugar
• 1/4 cup granulated sugar
• 1 large egg
• 1/2 teaspoon pure vanilla extract
• 1 cup all-purpose flour
• 1/2 cup cake flour
• 2 tablespoons instant vanilla pudding mix
• 1/2 teaspoon baking soda
• 1/2 teaspoon corn starch
• 1/4 teaspoon kosher salt
• 1 1/4 cups dark chocolate chips
• 1 teaspoon fleur de sel sea salt