<s>
Great	B-Operating_System
British	I-Operating_System
Chefs	I-Operating_System
is	O
British-based	O
food	O
website	O
that	O
contains	O
a	O
collection	O
of	O
recipes	O
,	O
as	O
well	O
as	O
instructional	O
guides	O
,	O
videos	O
,	O
features	O
on	O
British	O
food	O
,	O
and	O
profiles	O
of	O
chefs	O
and	O
restaurants	O
in	O
the	O
UK	O
.	O
</s>
<s>
The	O
first	O
Great	B-Operating_System
British	I-Operating_System
Chefs	I-Operating_System
iOS	O
app	O
was	O
released	O
in	O
July	O
2011	O
and	O
featured	O
12	O
chefs	O
,	O
who	O
each	O
provided	O
5	O
recipes	O
.	O
</s>
<s>
The	O
second	O
Great	B-Operating_System
British	I-Operating_System
Chefs	I-Operating_System
app	O
,	O
'	O
Feastive	O
 '	O
,	O
was	O
released	O
in	O
November	O
2011	O
.	O
</s>
<s>
Great	B-Operating_System
British	I-Operating_System
Chefs	I-Operating_System
 '	O
third	O
app	O
,	O
'	O
Summertime	O
 '	O
,	O
was	O
produced	O
in	O
partnership	O
with	O
the	O
online	O
supermarket	O
Ocado	O
with	O
a	O
shopping	O
list	O
feature	O
to	O
purchase	O
ingredients	O
.	O
</s>
