Double Chocolate Oatmeal Cookies

Bahan-bahan (24 porsi)

• ½ cup (1 stick) butter
• 1 cup granulated white sugar
• ½ cup lightly packed brown sugar
• 1 large egg
• 1 teaspoon vanilla extract
• ¼ cup milk
• 3 tablespoons unsweetened cocoa powder
• 1¼ cups whole wheat or all purpose flour
• 2½ cups oats
• ¾ cup white chocolate chips