In large bowl:
1 1/2 bags of semi-sweet chocolate chips
1 10 oz. bag of small marshmallows
3 tsp. vanilla
In large sauce pan:
4 1/2 cups sugar
1 1/2 sticks butter
1 14 oz. can of evaporated milk
Stir constantly and bring to a boil. Then boil for 5 1/2 minutes or until 250 degrees.
Pour hot mixture into bowl of the other ingredients above. Stir until dissolved and starts to thicken. Add nuts. Pour into buttered cookie sheet.
YUMMY!!!