2 tbsp. butter
3 tbsp. flour
1 c. milk
3/4 c. grated cheese
1/2 tsp. salt
4 eggs

Melt butter in top of double boiler. Add flour and stir until smooth. Slowly add milk. Add grated cheese, salt, dash of red pepper and a few drops of Worcestershire sauce, if desired.

Separate eggs. Beat yolks. Add to cheese mixture and cook 1/2 minute. Beat whites until soft peaked and fold in mixture. Pour in casserole. Bake at 325 degrees for 50-60 minutes until knife comes out clean.