Peel and finely dice the onion and garlic. Wash the rosemary, dab dry and chop. Dab cutlets dry and halve them crosswise. Heat 1 tablespoon of oil in a large frying pan. Fry the escalopes in it over high heat for 1-2 minutes on each side.
Season with salt and pepper and remove.
Heat 1 tablespoon of oil in the frying fat. Fry the onion, garlic and rosemary in it. Sweat tomato paste briefly. Add the chopped tomatoes, 1/8 l water and capers, bring to the boil and simmer for 5 minutes. Season with salt, pepper and sugar.
Rinse the anchovy fillets with cold water and dab dry. Chop 2 finely and stir into the sauce. Place the cutlets in the sauce and warm them up.
Season the sauce again. Garnish with the remaining anchovy fillets. Ciabatta bread tastes good with it.