Butterscotch Sauce Recipe

1 1/2 c. firmly packed dark brown sugar
1/4 c. flour
1 c. boiling water
Dash of salt
1/4 c. butter or margarine
3 tbsp. light cream or evaporated milk
1 tsp. vanilla extract

Mix sugar with flouor. Stir in boiling water & salt. Cook over low heat, stirring constantly, until smooth & thick, 6-8 minutes. Add more boiling water if sauce is too thick. Stir in remaining ingredients and blend well. Reheat & serve warm. Makes abouot 2 cups.