The entry deadline has just been extended to Friday 15th August, 3pm (UK time).
For information on how to enter and full terms and conditions, visit www.jamieoliver.com/drinkstube.
Link from the video:
How to Win a Cocktail Competition | goo.gl/KM67cA
Keep a party in your pocket with the Mixed Cocktails iPhone app here: http://po.st/IUoyKo