Christmas Morning Quiche

For as long as I can remember, my Mom has made this every Christmas morning.  We do this now with our own family.  It's a once a year delicacy!

Ingredients
1 pie crust
1/2 lb fresh mushrooms, sliced
1/4 cup sliced green onions
1 TB butter
1/2 tsp salt
1 cup shredded Swiss cheese
1 cup light cream or milk
1/4 cup Parmesan cheese
3 eggs

Directions:

Saute onions and mushrooms.  Put in bottom of pie shell. Mix the other ingredients and pour over.  Bake 35-40 min. at 375.