Jay Rayner hosts The Kitchen Cabinet series finale from Bishopsgate, London. Ready to answer your culinary questions are Andi Oliver, Tim Hayward, Sumayya Usmani and Professor Barry Smith. For the series finale, the panellists reflect on the most important lessons they’ve learnt in the kitchen. They also confess their favourite tinned foods, and debate where you can find the best fish and chips. This week they’re joined by Usman Ansari from Lahore Kebab House in Whitechapel. Usman explains the significance of grilling in Pakistani cuisine, and shares his top tips for marinating meat for the grill. Producer: Dominic Tyerman Assistant Producer: Bethany Hocken Executive Producer: Louisa Field A Somethin' Else production for BBC Radio 4