Powdered Milk

Note:  powdered milk can be hard to find, but I found some Nestle brand in the international aisle

Hot Chocolate Mix

Instant Coffee/Espresso

Add powdered creamer (the kind that contains sugar) if desired. 

Full-brew coffee not worth the trouble for backpacking

General Foods International Coffees/Teas

Carnation Instant Breakfast mix

Can be added to coffee or powdered milk

Koolaid Singles

The kind with sugar in them

Gatorade or Propel Singles

Instant Tea

Tang

Small 12 oz canister good for multiple people, makes 8 quarts