Ingredients:

• 1/4 cup cocoa powder
• 1 teaspoon vanilla extract
• 3 to 4 cups milk of your choice
• Sugar (add to taste, ensure sugar content is no less than 4% for proper machine operation)

Preparation:

1. Place all ingredients into a large pitcher and stir until the sugar is completely dissolved.
2. Pour the mixture into the machine's reservoir container.
3. Select the "Smoothie" mode for automatic slush preparation, or choose the "Custom" mode to adjust the temperature for different slush consistencies. (Note: The lower the temperature, the thicker the slush.)
4. When the frozen drink reaches the desired temperature, the machine will emit three beeps.
5. Dispense and enjoy.