Andes Mint Chocolate Cookies

Bahan-bahan (22 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 and 1/4 cups (156g) all-purpose flour (spooned & leveled)
• 1/2 cup (45g) natural unsweetened cocoa powder
• 1 teaspoon baking soda
• 1/8 teaspoon salt
• 2 teaspoons (10ml) milk (any kind, dairy or nondairy, is fine)
• 1/2 cup (100g) granulated sugar
• 22 –24 Andes chocolate mints, unwrapped