Place the blueberries in a shallow dish to thaw. Preheat the oven to 160°C.
Separate 1 egg, add flour, butter, salt, sesame, egg yolk and 3 tablespoons of cold water to a bowl and knead until you get a smooth dough. Wrap the dough in foil and refrigerate for an hour.
Roll out the dough on a floured surface and place in 6 greased quiche pans (diameter approx. 10 cm).
Sauté shallots in oil in a pan. Mix berries, honey, balsamic vinegar, egg, remaining egg white and steamed shallots in a bowl and spread onto the dough.
Cut the cheese into thin slices and spread over the quiches. Bake on the middle rack for approx. 40 minutes.
Here you can find some of the ingredients for the recipe