Billy'S Fudge

Directions

1. 1
   Place marshmallows, sugar, salt and evaporated milk in a large saucepan (4 to 5-quart size) on medium-high heat until the marshmallows melt.
2. 2
   After they have melted, the mixture will start to boil.
3. 3
   Boil the mixture for 5 minutes.
4. 4
   (Note:
5. 5
   You must stir constantly or the sugar will burn.)
6. 6
   After 5 minutes of boiling, take the saucepan off the heat and quickly beat in the butter (or margarine), the chocolate chips and the vanilla.
7. 7
   Once everything is mixed together, pour it into a buttered 9 x 13-inch pan.
8. 8
   Place in the refrigerator to set.