Cheese Blintzes

The cheese blintz is a wonderful thing: a pancake cooked on one side only, filled with a mixture of curd cheese, lemon zest, vanilla and egg yolk, folded into a parcel and then fried in butter before being splodged with some cold sour cream and perhaps some bitter fruit sauce. This is the traditional way, as eaten by generations of central Europeans; it comes originally, I think, from Hungary, but as with all dishes that are part of Jewish culinary culture, it’s hard really to give an accur