Knead the flour, cold fat, sour cream and salt to form a smooth dough. Chill the dough for 30 minutes. Roll out the dough on a floured surface and place in a 25 cm baking pan. Pull up the edge with the batter. Cover the dough with baking paper and fill with peas. Bake at 200 ° for 15 minutes.
Remove the paper and peas. Cut tomatoes, zucchini, onions and sausage into slices. Cover the dough with the ingredients and the olives. Beat the eggs and cream, season with salt and pepper and pour over the vegetables. Grate the cheese and sprinkle over it.
Bake in a preheated oven at 175 ° for 30-40 minutes.