Dua Kue Chocolate Chip Besar

Bahan-bahan (2 porsi)

• 3 tablespoons butter, very soft or partially melted
• 3 tablespoons packed brown sugar
• 1 1/2 tablespoons white sugar
• 1/4 teaspoon vanilla
• 1 egg yolk
• 1/3 cup + 2 tablespoons all-purpose flour (~60 grams, see note 1)
• 1 teaspoon cornstarch
• 1/4 teaspoon baking soda
• 1/4 teaspoon kosher salt
• 1/4 cup chocolate chips