Starbucks White Chocolate Mocha made in Keurig - 2/3 cup of milk 4 pumps (2 oz.) Fontana White Chocolate Sauce (can buy through Amazon or Starbucks website) Starbucks Espresso coffee made in Keurig. Set the size to the middle one. Heat milk in microwave on high for 1 min. Add white chocolate sauce and stir. Brew coffee into same cup. You'll need about a 20 oz. mug.