Chocolate Fudge

So it was brought to my attention that while my peanut butter fudge has been posted my chocolate has not. So here it is:

CHOCOLATE FUDGE

3 cups sugar
3/4 cup butter
1 small can (5oz) evaporated milk
1 1/2 packages semi sweet chocolate chips
1 jar (7oz) jet-puffed marshmallow creme
1 teaspoon vanilla extract

1. Line a 9 inch square pan with foil and butter it lightly.
2. Bring sugar, butter, and milk to a rolling boil over medium heat, stirring constantly.
3. Boil for 4 minutes or until candy thermometer reads 234, stirring constantly.
4. Remove from heat and add chocolate and marshmallow creme, stir until melted.
5. Add vanilla and mix well.
6. Pour into prepares pan. Spread to cover bottom of pan and even. Cool completely.