3 tbsp. butter
3 tbsp. flour
1 c. milk
1/2 tsp. salt
Pinch of cayenne
4 eggs, separated
1/2 c. each crumbled Swiss cheese and sharp Cheddar cheese

Melt butter; blend in flour, stir in milk and seasonings. Remove from heat; beat in egg yolks one at a time alternately with cheese. Stir until cheese has melted; cool. Fold in egg whites beaten stiff. Pour into buttered 1 1/2 quart souffle dish. Bake at 375 degrees 30 minutes or until top is brown. Serve immediately. Top with medium white sauce flavored with mustard. Serves 4.