Doughnut with bilberry filling

Fluffy, pillowy texture dough and a nice taste of wild bilberry give a sweet combination with a slight summer sourness. Traditional European technology is used to make doughnuts, that is why their taste remind of German Berliners. It is well known that every man to his own taste, so we created a set of doughnuts with six most delicious fillings. Try each one to find your favourite!