Quick cooked mayonnaise using cornstarch base.

Steps

1. Measure cornstarch and cold water into top of double boiler; mix to a paste. Add boiling water.
2. Stir and cook over direct low heat until smooth and thick.
3. Continue cooking over boiling water for 7 minutes.
4. Place all remaining ingredients except egg and milk in a mixing bowl.
5. Pour hot starch on them.
6. Beat with egg beater; then add egg.
7. Beat until mixture thickens and turns light yellow in colour.
8. Add milk powder; beat.
9. Pour in sterile jar. Chill.