 Working under Bosi at Hibiscus was sous chef Glynn Purnell , who left Hibiscus in 2003 to become head chef at Jessica 's restaurant in Edgbaston . Hibiscus gained a second star in the 2004 Michelin Guide . 
 Working under Bosi at Hibiscus was sous chef Glynn Purnell , <a href='null_relcl' title='1'><mark>who</mark></a>left Hibiscus in 2003 to become head chef at Jessica <a href='null_genetive' title='2'><mark>'s</mark></a>restaurant in Edgbaston . Hibiscus gained a second star in the 2004 Michelin Guide . 
Working under Bosi at Hibiscus was sous chef Glynn Purnell , left Hibiscus in 2003 to become head chef at Jessica  restaurant in Edgbaston . Hibiscus gained a second star in the 2004 Michelin Guide .