8 tbsp. butter
8 tbsp. flour
2 1/2 c. milk
1 1/2 c. sharp cheese
8 egg yolks
Salt and pepper to taste
8 egg whites
1/2 tsp. cream of tartar

Make white sauce of first 3 ingredients. Blend in cheese. Remove from heat. Mix a little sauce with egg yolks; then add to rest of cheese sauce. Cool slightly. Beat egg whites with cream of tartar until very stiff. Fold cheese mixture into egg whites. Put in ungreased 3-quart casserole. Set in 1-inch pan of hot water. Bake 1 hour at 350 degrees. Serves 8-10.