Mix 75 g butter, lemon zest, cognac, 1/2 teaspoon pepper and salt. Form butter into a roll (approx. 4 cm Ø) on a piece of aluminium foil. Chill for at least 30 minutes.
Peel and finely chop the onion. Wash the thyme and remove the leaves. Cook the frozen beans in boiling salted water for about 8 minutes
Pat the steaks dry and tie them into shape with kitchen string if necessary. Rub with pepper. Fry in hot oil for about 3 minutes on each side until brown. Then season with salt, wrap in aluminium foil and let it rest for 1-2 minutes
Heat 1 tablespoon of butter in the frying fat. Steam onion and thyme in it. Drain the beans and swivel them in it
Cut butter into 4 slices. Arrange steaks and beans, sprinkle with meat juice. Cover each with 1 slice of butter. Served with: Potato balls
Drink: dry red wine
Take it easy:
Allow fried steaks to rest briefly so that the meat juice is redistributed in the meat