14 1/2 oz. evaporated milk
5 c. sugar
2 sticks butter
1 lg. pkg. chocolate chips (semi-sweet)
4 sq. unsweetened chocolate
1 lb. marshmallows
2 c. nuts

Melt butter in large saucepan. Add sugar and milk. Bring to a boil and continue to boil for 6 minutes, stirring constantly. Remove from heat; add marshmallows, chocolate chips, chocolate squares (chipped up) and nuts. Beat rapidly for 1 minute. Pour into a large well-buttered cake pan. Cool and cut into squares.