Quick Fudge

This is really quick and very good!

4 Tbl butter
2/3 evaporated milk
2 heaping cups sugar
pinch of salt

Cook on stove top stirring constantly - boil for 1 1/2  to 2 minutes
Take off heat and add
2 tsp vanilla
2 heaping cups of semi sweet or milk chocolate chips
Stir until chips are c ompletely melted and mixture is SMOOTH.
Pour into a 9" X 9" pan.  Keep covered with foil or saran wrap.