We've heard of the purple pound, we've heard of the pink pound, and we've heard of the silver pound. But have we heard of the Muslim pound? The Halal economy is big business in the UK however many still struggle to find restaurants that cater for it. That's why Siddika Jaffer founded The Halal Dining Club in May 2015 - an app which aims to transform the Halal dining experience for millions of Muslim diners around the world. She joined Sarah Lowther to tell the story behind the app.