Pineapple Refrigerator Cheesecake

Sprinkle the gelatin over the cold water and let stand for about five minutes, until softened.

In the top part of a double boiler, beat the egg yolks lightly. Gradually add the sugar while beating. Stir in the milk and salt.

Cook over boiling water, stirring constantly, until the custard is slightly thickened and coats a metal spoon.