1 quiche shell
3 tablespoons butter
1/4 cup chopped green onions (check for infestation)
2-1/2 cups sliced mushrooms, (Morels or Chanterelles are best) (check for infestation)
1 teaspoon salt
1/2 teaspoon lemon juice
3 eggs
1 egg yolk
1-1/4 cup heavy cream
Pinch pepper
Pinch nutmeg
3 ounces grated Swiss or Parmesan cheese