Knead 250 g flour, 1 egg, 125 g fat in pieces, 1 pinch of salt and possibly 1 tablespoon cold water until smooth. Cover and chill for about 30 minutes.
Peel or clean, wash and chop the vegetables. Cover and steam in little boiling salted water for 3-5 minutes. Drain, let drain well
Grease the springform pan (26 cm Ø). Roll out the dough on a little flour and make it round (approx. 34 cm Ø), line the form with the dough, while pressing up the edge approx. 4 cm, prick the bottom more often with a fork. Pre-bake in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 10 minutes
Whisk the sour cream and 5 eggs, season well. Spread the vegetables on the dough. Pour the souring mixture over the dough. Bake in a hot oven at the same temperature for 50-60 minutes. Serve with herb curd cheese
Drink: cold beer