C-Ration Chocolate Nut Roll

A 3.5 ounce chocolate roll with walnuts canned and served in us C-rations(Commonly named "c rats" by soldiers) during Vietnam.  The c-ration would contain 1 B-unit (12 oz of bread, coffee, and sugar), 1 M-unit (12 oz of vegetable and meat ingredients), and an accessory packets.