Warm the milk slightly. Dissolve yeast in it. Knead flour, approx. 1/2 tsp salt, 1 egg, 2 tbsp oil and yeast milk. Cover and leave to rise in a warm place for 35 minutes
Peel and chop the onion. Clean and wash the vegetables. Cut zucchini into slices, halve tomatoes. Heat 2 tablespoons of oil. Fry onion and zucchini for about 5 minutes, season
Knead dough, roll out. Place in a greased tart or springform pan (approx. 28 cm Ø), raise the rim 3 cm. Cover and let rise for 15-20 minutes
Mix 2 eggs and sour cream, season. Wash, chop and add the parsley. Add all vegetables and egg icing to the dough. Bake in a hot oven (electric cooker: 200 °C/ convection oven: 175 °C / gas: level 3) for 30-35 minutes
Drink: cool white wine