1 big Bowl: (Soften and mix together. Set Aside)
2 Cups Semisweet Chocolate Chips
2 sticks butter/margarine
In a Big Saucepan:
10 ounces evaporated milk
200 small or 28 Large Marshmallows
4 Cups of Sugar
Mix Together and Bring to a Boil on Medium High until boiling. Turn to low. Boil for exactly 6 minutes, stirring constantly.
Pour into other bowl and whisk until nice and smooth. Add 2 Teaspoons vanilla. Pour into greased pan and cool in fridge.