Sour Beef

Preparation:

Preparation: Peel and wash the onions, remove the filaments from the celery stalks and cut them into logs. Wash and cut the two lemons into thin slices. Arrange half of these ingredients on the bottom of a baking tray, possibly terracotta, place the steaks on it, spreading them in a single layer. Add salt and pepper and spread the remaining onions, lemon slices and celery sticks on top. Sprinkle a spoonful of chopped parsley all over, then seal the saucepan hermetically (if you don't have a lid, you can seal it with aluminum foil tied with kitchen twine). Put the meat in a preheated oven at 160 degrees for 45 minutes. Remove from the oven, place the meat in the center of the serving dish and arrange the vegetables as a side dish.