1. Buy any coffee, and make the coffee anyway you like.
2. Leave half the coffee in the mug for 3 days. Best time of the week is to do this on a Friday afternoon.
3. Come into work on Monday...
4. ...Accidentally drink coffee that's been left for 3 days.
I will guarantee you that you will feel 110% awake instantly after one mouthful of my "Brammers three day blend" coffee