A silver bullet thermos is nice. Esbit or small cannister stove. I heat the water in a metal cup (about 26 oz capacity) I bought in the dollar aisle of of super market. I like tea and cup o soup. Ph yeah cocoa too, but no marshmallows for me. I like it with creamer, sometimes vanilla extract, and when camping in cold weather, a shot Seagrams before I crawl in my sleeping bag.