1/2 lb. mushrooms, chopped fine
1 tbsp. grated onion
4 tbsp. butter
1/2 tsp. salt
1/4 tsp. pepper
1 tbsp. flour
2 tbsp. Gruyere cheese
2 egg yolks
1 c. heavy cream
2 tbsp. bread crumbs or wheat germ
2 egg whites, well beaten

Combine mushrooms, onion, 2 tablespoons butter in small heavy pan; cover and simmer, stirring often until mushrooms are tender. Season with salt and pepper. Stir in flour and cheese. Place in baking dish.

Beat together egg yolks and cream; pour into dish. Fold in egg whites. Sprinkle with crumbs. Melt remaining butter and pour over crumbs. Bake in 400 degree oven for 40 minutes until done to a golden brown and set. A good luncheon dish.