Make the Bechamel sauce according to package directions. Arrange part of the phyllo pastry sheets in a buttered oven dish after tearing them to pieces. Pour in part of the meat filling, Bechamel sauce and sprinkle with grated cheese.
You need to get 3 layers of sheets, 2 layers of filling.
Pour in the remaining Bechamel sauce at the very top.
Sprinkle generously with cheese and bake at 392°F (200 °C) for 30-35 min.