Salad Dressing

1/2 cup sugar
1/4 cup vinegar
1/4 cup water
1 tsp flour
2 eggs
1/4 tsp salt
2 heaping Tbsp mayonnaise
1/4 tsp mustard

Mix sugar, flour and eggs.  Beat well
Add in vinegar, water and salt.  Add to sugar mixture. 
Boil until thick.
Remove from heat and add mayonaise and mustard. 
Beat well.
Let cool.