Boiled Clear Salad Dressing - cooking recipe

Ingredients

1 cup sugar
1/2 cup vinegar
1 teaspoon dry mustard
1/3 cup oil, may need more
1 teaspoon celery seed (optional)
1 teaspoon poppy seed (optional)
1 teaspoon onion juice (optional)
1 tablespoon onion, grated (optional)

Preparation

boil the sugar mustard and vinegar together ,whisk.
bring to a boil.
cook 2 minutes
let cool.
whisk in oil adding slow steam until thick ,no amount of oil is given so keep pouring til its thick.
stir in what flavoring,she seemed to favor onion juice and celery seed.