Double Chocolate Chip Swirl Cookies

Bahan-bahan (24 porsi)

• 1/2 cup (8 Tbsp; 113g) unsalted butter, softened to room temperature
• 1/2 cup (100g) granulated sugar
• 1/2 cup (100g) packed light or dark brown sugar
• 1 large egg, at room temperature
• 1 teaspoon pure vanilla extract
• 1 cup (125g) all-purpose flour (spooned & leveled)
• 2/3 cup (55g) natural unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/8 teaspoon salt
• 1 Tablespoon (15ml) milk (any kind, dairy or non)
• 1 cup (180g) white chocolate chips, plus a few more for optional topping
• 3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature
• 3/4 cup (150g) light or dark brown sugar
• 1/4 cup (50g) granulated sugar
• 1 large egg
• 2 teaspoons pure vanilla extract
• 2 cups (250g) all-purpose flour (spooned & leveled)
• 2 teaspoons cornstarch (aka cornflour)
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup (180g) semi-sweet chocolate chips, plus a few more for optional topping