Cut the dough into 6 equal rectangles. Fold the corners to the middle.
Dice the zucchini and aubergine. Avoid minced meat, zucchini and aubergine in 1 tablespoon of oil, season to taste and spread on the dough. Mash the feta and mix with the sour cream (optionally sour cream) and milk and spread over the minced meat mixture. Put olives on top. Brush the edges of the dough with whisked egg yolk.
Bake at 200 ° C for about 15 minutes.
The addition of a little garlic also tastes delicious. For children possibly without olives.