Grease and flour the tart tins with butter. Roll out the pastry, cut out 8 circles (each approx. 10 cm in diameter), transfer to the prepared tins.
Prick the bases firmly with a fork, chill briefly.
Grate the cheese, mix in the flour. Beat the eggs with the milk and cream, mix in with the cheese, season, pour into the tarts.
Approx. 30 mins. in the lower half of an oven preheated to 180°C.