Butterscotch Candy

1/2 cup white sugar
1/2 cup brown sugar
1/2 cup water
1/4 cup butter or margarine
2 tsp vinegar
few grains salt
1/2 tsp vanilla

Combine all ingredients except vanilla.

Cover and cook until mixture begins to boil (watch closely). Boil without stirring to soft crack stage (275 - 280 F).

Add flavoring. Do not stir. Pour quickly into well-buttered pan. The candy should be in a thin sheet.

Cool slightly and mark in squares.

Source: The Household Searchlight