STEP 1/6
Place milk and sugar in heat-resistant bowl and heat in microwave (600w) for about 1 minute.
STEP 2/6
Place marshmallow in another heat-resistant bowl, cover lightly with plastic wrap and heat in microwave (600w) for approximately 1 minute to 1 minute and 20 seconds.
STEP 3/6
Mix the melted marshmallows throughout.
STEP 4/6
Mix the marshmallow evenly, dividing the warm milk twice.
STEP 5/6
Do not mix too much milk as it will bubble up if it is warm.
STEP 6/6
Place in the desired container and cool in the refrigerator for at least 3 hours. (The time to harden depends on the amount of time you put in.)
At Atamma, milk and marshmallows were heated and mixed separately, but it mixes better when heated and mixed together.