Combine in pan. 4 C sugar , evaporated milk, 3T cocoa mix well. Then bring to a rolling boil. Stand over it and stir cook for 10 to 13 minutes on medium heat. After 10 minutes add the 2t butter and 1 t vanilla. Check for candy hard crack stage by dropping bit in a glass of water - it should form a ball. When it does, pour all this into the other ingredients- marshmellow chocolate, chips then add nuts. let stand. This makes a large 9 by 13 baking sheet.
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