How to make
Pour the olive oil in a shallow pot, add the garlic, parsley and mash it into a paste. Transfer it to a bowl and add the milk, juice of the lemons and salt.
Cut the meat into thick slices and put them in the marinade. Stir, cover with foil and put it in the fridge overnight. The next day, cook the fillets on a grill or grill pan.
Peel the potatoes, wash and dry them. Cut them into slices and fry. Make a bed of fried potatoes and place the fillets on top.