Boil milk for 5-10minutes. Remove from flame and transfer milk to a bowl. Wait until it becomes warm. There will be a film of cream on top. With a spoon, remove the film a little and add a drop of curd to the milk. Cover and let it set. I usually leave it overnight. Morning fresh thick curd will be ready. Refrigerate until further use. Otherwise the curd will become sour. Use it the way you want.