Omelet For A Crowd

Directions

1. 1
   Melt butter in large frying pan.
2. 2
   Add potatoes.
3. 3
   Fry until golden brown.
4. 4
   Spread in 2 (9 x 13-inch ) pans.
5. 5
   Set aside.
6. 6
   Stir together mushrooms, cheese, egg yolks and salt; set aside.
7. 7
   Beat egg whites stiff but not dry.
8. 8
   Fold cheese mixture into egg whites.
9. 9
   Layer meat onto potato layer, then pour egg mixture over. Bake 25 to 30 minutes at 350°.