(AP Photo / David Parry, PA)
(AP Photo / David Parry, PA)

They've served up a world first in Britain... a burger grown in a laboratory.

FOX News Radio's Simon Owen reports from London:

(AP Photo / David Parry, PA)
(AP Photo / David Parry, PA)

The world's first test-tube burger on the menu here in London. 

(Schonwald) "The bite feels like a conventional hamburger."

Chicago based food writer Josh Schonwald giving a cautious thumbs-up after being selected to test a burger made from meat grown in a lab by scientists from cows' muscle cells.

(Post) "I think it's a very good start."

The burger's creator Professor Mark Post saying his next task is improving the taste. The tasters say it needs more juicy fat.

(Post) "This was mostly to prove that we can do this, that we can make it."

Professor Post says his burger could tackle food shortages and be ready for retail within 20 years. In the meantime, creating this one cost $300,000, and that's without fries and a shake.

In London, Simon Owen, FOX News Radio.