Peel and finely dice the shallots. Mix half of the lemon juice, egg yolk, 1 tsp. oil, salt and pepper. Cut 300 g beef fillet into very fine cubes and mix with it
Grate parmesan. Chop the pumpkin seeds and spread them on a baking tray lined with baking paper. Sprinkle Parmesan cheese over it. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for about 10 minutes until golden brown. Take out, let cool and break into pieces
Clean the mushrooms and cut into fine slices. Peel garlic and chop finely. Heat 1 tablespoon of oil in a frying pan. Sauté the mushrooms and garlic in it, season with salt
Heat 2 tablespoons of oil in a frying pan. Brown the rest of the meat in the piece all around for about 5 minutes. Season with 1 pinch of cinnamon and salt. Wrap in foil and bake in a preheated oven (electric cooker: 100 °C/ circulating air: not suitable/ gas: not suitable) for approx. 5 minutes.
Halve and stone the dried plums and 2 fresh plums. Wash the chilli pepper. Caramelise 1 tbsp. sugar in a pot and deglaze with white wine. Add the plums, 1 tablespoon of oil, 1 pinch of cinnamon, salt, remaining lemon juice and chilli pepper, simmer for 2-3 minutes. Remove the chilli pepper and puree the sauce
Wash and clean the lamb's lettuce. Season lime juice with 1 pinch of sugar and pepper, fold in 2 tablespoons of olive oil. Mix with the salad. Spread the mushrooms on top. Add the tartar and the cheese chips. Cut meat into thin slices, a plum into thin slices. Serve the meat with the plum sauce and the plum wedges. Garnish with coriander