Oscar winner Marisa Tomei, Natalie Portman and rocker Chris Daughtry have cooked up a few Italian treats for a new online recipe book. The stars have teamed up with top chef Mario Batali to create a cookbook resource that fans of all things Italian can download from website CelebrityItalianTable.com - $1 (50p) from every purchase will go to homeless charities. It's not Batali's only recent brush with celebrity - he is currently filming a cooking series in Spain with Oscar winner Gwyneth Paltrow.