Packets of Swiss Miss just don't cut it when you can make your own.
1/3 c dry milk
1 t dry cocoa
1 t sugar
1 cup hot water
That's it. Feel free to use the really good cocoa powder. If you buy the powdered milk and cocoa powder in bulk, you're looking at a few cents per cup of hot chocolate. For that, you can afford to throw in some peppermint schnapps and real whipped cream.