Guidelines in preparing vanilla custard sauce
1. Use clean, sanitized equipment and follow procedure
2. Whip egg yolks and sugar as soon as sugar is added
3. Scald milk before combining with yolks
4. Slowly beat hot milk into beaten eggs and sugar
5. Place bowl with egg mixture in simmering water and stir constantly to prevent curdling
6. Test for doneness when mixture lightly coats back of spoon
7. Immediately cool sauce by setting in ice water, stirring occasionally
8. If sauce curdles, stir in cold milk and blend at high speed