400 grams puff pastry dough

1 can tuna in water

2 cups leben

2 eggs

1 packet mushroom sauce mix

1/2 cup flour

100 grams Cheddar cheese -- grated

Divide dough in half. Roll out half and line the bottom of a pie pan, Blend rest and pour into the dough. Roll out remaining dough, cover, and crimp edges. Bake 1 hour at 170C.