Separate eggs, and beat the yolks until they are lemon in color. And Beat the whites of the eggs until they are stiff. Cook milk, tapioca and salt for 5 minutes in a double boiler then add grated cheese, and egg yolks, mixing a little of warm milk with yolks first, before adding them all. Lastly, last add the beaten whites. Place in a pan of warm water and place in oven to cook. No time or temp. Was given so with a modern souffle' it is 350 degrees for 45-50 minutes.