Five Pounds of Fabulous Fudge

From Shelly Hattan (courtesy of Gail Stamler, Shelly's mom)
1/2 c butter
1 can evaporated milk
4 1/2 c sugar (granulated)
10 oz. bag of marshmallows
2 oz. unsweetened chocolate
12 oz semi-sweet chocolate chips
12 oz sweet baking chocolate
1 Tbs. vanilla
2 c chopped nuts

Combine butter, milk, and sugar in pan. Stir till sugar dissolves.

Cook to boil, cover. Boil 5 minutes. Remove from heat; add marshmallows, stir till melted.

Add all the chocolate, one at a time stirring until melted. Add vanilla and nuts. Pour into buttered pan. Cut when firm.