makes 1 "box" (about 2 decent sized portions)
1/2 c sugar
1/4 c cocoa
1/4 c instant clear jel
1/2 c milk powder
pinch salt
1/2 tsp or whatever cinnamon

mix well, store.

hydrate with water to taste, somewhere around equal in volume. 
add water slowly and mix well before adding more. 

bonus: graham cracker crumbs on top, as a treat