1 packet Swiss Miss hot cocoa mix - $1.02 at Target, plus use this $1 off target coupon to get it for .02!
1 cup of brewed Maxwell House coffee - on sale buy one get one free at Walgreens this week (3.99/2 = 1.99 each and each can makes 90 cups of coffee 1.99/90 = .02 c per cup!)
Dollop of Cool whip - on sale for $1 - .88c at Kroger or Schnucks (you can get at least 20 tablespoons out of one tub so we'll just average one tablespoon at .05c)
Total = $0.09 per serving
Now that's what I call a cheap treatsy!