Kidney All'agro

Recipe second for 4 people based on Veal - cooking method fried.

Preparation:

Preparation: Remove all the fat from the kidneys; cut them into slices of about 1/2 cm. Fry the onion with the butter and a sprig of minced parsley; add the kidney slices and fry them, turning them. Season with salt and pepper and cook for about 10 minutes, then drizzle with about a spoonful of vinegar. Let it evaporate, stir and serve immediately.