Caramels (2 1/2 lbs)

1 c. butter or margerine
1 lb or 2 1/4 c. brown sugar
dash of salt
1 c. light corn syrup
1 (15 oz.) can condensed milk
1 tsp. vanilla

*Melt butter in heavy 3 quart pan.  Add brown sugar and salt.  Stir in syrup; mix well.
*Gradually add milk stirring constantly.
*Cook over medium heat until 245 degrees for 12-15 min.
*Remove from heat, stir in vanilla.
*Pour into buttered 9x9x2 inch pan.  Cool, cut into squares.