Custard Sauce

Directions

1. 1
   Heat milk in top of double boiler over direct heat until tiny bubbles appear around edge of pan.
2. 2
   Beat egg yolks, sugar and salt to mix well.
3. 3
   Very slowly, pour hot milk into egg mixture, beating constantly.
4. 4
   Return mixture to double boiler top; place over hot, not boiling, water.
5. 5
   (Water in lower part of double boiler should not touch upper part.)
6. 6
   Cook, stirring constantly, until this coating forms on metal spoon, approximately 8 to 10 minutes. Immediately pour custard into a bowl; place sheet of waxed paper directly on surface.
7. 7
   Set bowl in cold water to cool.
8. 8
   Stir in lemon peel.
9. 9
   Refrigerate until very cold, several hours or overnight.
10. 10
    Makes 1 1/2 cups.