All the ingredients for the pastry march in a bowl where they are mixed & kneaded into a pastry dough - w/ your own hands.
Finally form a ball or a disk, wrap in cling foil & let it rest in the fridge for about 20 - 30 min.
Mix Greek yoghurt, olive oil, dried thyme, salt & pepper w/ a spoon & set aside.
Cut the goat's cheese into slices.
Cut the tomatoes into slices.
Preheat the oven to 180° C w/ fan.
Line a baking tray w/ baking parchment.
Roll out the pastry w/ a rolling pin between layers of cling foil. try to get a circle of about 25 - 30 cm diameter. Transfer to the baking tray.
Distribute the yoghurt mess all over the pastry (except about 2 - 3 cm at the edge). Add some basil leaves.
Arrange the goat's cheese & on top the tomatoes. Add some more basil leaves.
Fold in the edge of the pastry, whisk the egg, brush the egg all over the pastry & let it bake for about 30 min.