It's best to heat the milk either in the microwave or on the stove top until it reaches a slow simmer. Alternate milks with skim milk or another non dairy milk. Foaming may change with different milks. To double or triple this recipe to serve your family or friends, you will just need to ad more ingredients and blend for 45 seconds. Sweeten to your liking, maybe try a date syrup to add natural sugar to the drink.