Mix Vinegar/ Lemon juice with water and keep aside.
Heat a heavy pan at high flame and add little water in it. Add full cream cow milk.
Stir continuously till the milk starts to boil. After the milk comes to boil turn the heat off and keep on stirring for2-3 minutes.
Add in the mixture of vinegar/lemon juice and water 1 spoon at a time and keep on stirring till the milk curdles up and leave a translucent liquid.
Sieve the curdled milk. Wash Chhena with cold water to avoid over cooking and for the removal of the smell of vinegar. Squeeze and take out the water completely.
Knead Cheena with your hands for 4-5 minutes until soft. Add cornflour and mix well.
Make Rasmalai balls by rolling the Cheena between your palms and flatten it gently and keep them aside.
Take a wide pan, add water, sugar and mix it well. Cover it and let it cook till the sugar is dissolved to make sugar syrup.