Wash the steaks, dab dry, season with salt. Heat 2 tablespoons of oil in a frying pan. Brown the steaks on both sides, season with pepper. Place in an ovenproof dish and cook in a preheated oven (electric range: 100 °C/ convection + gas: not suitable) for approx. 20 minutes.
Cook the pasta in boiling salted water according to the instructions on the packet. Wash and halve the tomatoes. Wash rocket, shake dry and clean. Mix pesto with crème fraîche
Peel and finely chop the onion. Heat 1 tablespoon of oil, fry the onion in it. Add cream cheese and milk, heat while stirring until a smooth sauce is formed. If the sauce is still too thick, stir in some pasta cooking water. Season to taste with salt and pepper
Heat frying fat, fry tomatoes in it, season with salt. Drain the pasta and let it drain. Return to the pot and mix with the cream cheese sauce. Mix in the tomatoes and rocket. Take steaks out of the oven, add pesto and turn steaks in it, cut into strips. Arrange everything, sprinkle with parmesan and serve immediately