As it is correct to fry a beef liver that it turned out soft and juicy

Correctly to fry – too a peculiar art because product it is easy to overdo this on fire and to make a liver too rigid and dry. There are some secrets which need to be applied both before frying, and in the process. Ingredients: beef liver – 500 g; bulb, large – 1 piece; flour – 4 tablespoons; water – 100 ml; ...