[header] How to make a traditional bengali sweet (sandesh ) [title] Heat the milk in the pan until just before it boils, then turn off the heat. [step] Do not overcook the milk. [title] Add lemon juice (or citrus substitute) one tbsp at a time. 
[title] Stir the milk constantly while adding the lemon juice; the solid curds will separate from the liquid whey. [title] Place the cheesecloth in a strainer, and strain out the whey from the curds.