Washing tomatoes, cleaning. Dice mozzarella and tomatoes. Wash basil, shake dry, pluck leaves from the stalks and chop. Mix pesto, basil, tomatoes and cheese and season with salt and pepper.
Roll out the dough and cut out 6 circles (12 cm Ø). Lay the remaining dough on top of each other, roll out and cut out another 2 circles. Whisk egg yolk and milk. Spread the tomato and cheese mixture over the dough circles.
Coat the edges with egg milk. Fold puff pastry circles into pockets. Press the edges lightly. Coat pockets with a thin layer of egg milk. Place on a baking tray lined with baking paper. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 15 minutes.
Salad tastes good with it.