Hot Buttered Rum Sauce

1 cup firmly packed brown sugar
1/2 cup butter
1/8 teaspoon salt
14 ounces sweetened condensed milk
1/4 cup dark rum (not light)
2 teaspoons vanilla

In medium saucepan, combine brown sugar, butter, salt and sweetened condensed milk.

Bring to a boil over medium heat, stirring constantly to prevent scorching. Cook until sugar is dissolved. Remove from heat.

Stir in rum and vanilla. Pour into two 10 oz. decorative glass jars and cover.

Store in refrigerator. Serve warm. Makes 2 1/2 cups.