Jamie Oliver has been invited by Gordon Brown to prepare a banquet at No.10 for President Barack Obama and other leaders of the G20, offering a cut-price menu to reflect times when trade and industry are far from prosperous and the rate of employment is decreasing. 

Downing Street sources say Oliver, the well-known chef, will cook using "honest high-street products" and avoid expensive or "fancy" ingredients. 

The prime minister is trying to avoid a repeat of the embarrassment last year when he sat down to an 18-course banquet at a Japanese summit to discuss world food shortages. 

Obama, President Nicolas Sarkozy of France, Chancellor Angela Merkel of Germany and other leaders will be served by apprentices from Fifteen, the London restaurant Oliver founded to help train young people in poverty in order to make a living by mastering a skill. 

Brown wants the dinner to reflect the emphasis of the London summit, which he hopes will lead to an agreement to lift the world out of recession."To be invited to cook for such an important group of people, who are trying to solve some of the world's major problems, is really a privilege," said Oliver. 

"I'm hoping the menu I'm working on will show British food and produce is some of the best in the world, but also show we have pioneered a high-quality apprentice scheme at Fifteen London that is giving young people a skill to be proud of." 

The chef has not yet finalized me menu, but is expected to draw inspiration from his latest book, Jamie's Ministry of Food, which has budget recipes for beef and ale stew and "impressive" chocolate fudge cake. ( 

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who is in charge of cooking?
is it for a special event?
is he well known?
who will be serving the meal?
from where?
in what city?
who will they serve?
anyone else?
who is one more?
what country does he lead?
is this at a conference?
what one?
where is the meal being served?
who asked Jamie to work the event?
are any other world leaders mentioned?
who?
from what county?
are the servers well off?
how are their living conditions described?
Jamie Oliver
Jamie Oliver has been invited
yes
leaders of the G20
yes
Oliver, the well-known chef
apprentices
will be served by apprentices from Fifteen
Fifteen
apprentices from Fifteen
London
Fifteen, the London restaurant
President Barack Obama
for President Barack Obama and other leaders of the G20
yes
and other leaders of the G20
President Nicolas Sarkozy
President Nicolas Sarkozy
France
Nicolas Sarkozy of France
yes
of the London summit
the G20
and other leaders of the G20
at No.10
at No.10
Gordon Brown
Jamie Oliver has been invited by Gordon Brown
yes
Obama, President Nicolas Sarkozy of France, Chancellor Angela Merkel
Chancellor Angela Merkel
Chancellor Angela Merkel
Germany
Angela Merkel of Germany
no
help train young people in poverty
in poverty
young people in poverty