Lemon Mayonnaise

Directions

1. 1
   Combine cornstarch, mustard, and salt in the top of a double boiler.
2. 2
   Combine water and beaten eggs.
3. 3
   Slowly add to cornstarch mixture, stirring constantly, until smooth.
4. 4
   cook over simmering water for 5 minutes, stirring constantly.
5. 5
   Very slowly stir in the lemon juice and vinegar.
6. 6
   continue cooking and stirring over simmering water for 10 more minutes.
7. 7
   Remove from heat.
8. 8
   Add sugar; mix well.
9. 9
   Pour into a pint jar, cover, and store in refrigerator.
10. 10
    Stir well before each use.