Fudge

Directions

1. 1
   Put into a large bowl chocolate chips, butter and vanilla. Put into a large saucepan (thick bottomed) sugar and milk.
2. 2
   Bring to boil and boil exactly 6 minutes from start of boil over medium heat.
3. 3
   Remove from stove and pour over ingredients in bowl and stir until butter and chips are melted and mixture begins to thicken.
4. 4
   Pour into lightly greased pan; let stand for 6 hours and cut into squares.
5. 5
   Top with nuts, if desired.