Divide the puff pastry dough in half and roll the 2 pieces to approximately ⅛ in/0.3 cm thick. Place one sheet of puff pastry dough in the freezer to keep it cold.
Using a 1½-in/4-cm round cutter, mark on the other sheet where the cheese will be placed. Mark the circles about 1 in/2.5 cm apart. Place a piece of the cheese inside each marked circle. Brush egg wa