Defrost the puff pastry. Clean, wash and cut the zucchini into strips. Peel and slice the onions. Peel and chop garlic
Fry the zucchini, onions and garlic in hot oil. Season with salt, pepper and herbs, cool down. Crumble the cheese, mix into the vegetables
Separate the egg. Whisk egg yolk and milk. Cut the dough slices in half crosswise. Roll out thinly on flour (approx. 13 x 17 cm). Put approx. 1 tbsp. of filling in the middle of each slice. Brush the edges with egg white. Fold the long sides towards the middle and press on the sides. Coat pockets with egg yolk
Bake in the preheated oven (electric cooker: 200 °C / convection oven: 175 °C / gas: level 3) for 15-20 minutes. Serve with a colourful salad
Drink: mineral water