Another two food brands seek investment. Naked Dough, operating as a pop-up in London, serves a vegan-friendly dough developed by pastry chef and co-founder Jen. They now want £250,000 to open their own shop. Premium burger stall Black Bear Burger has allowed husband and wife Liz and Stew to leave their jobs and focus full-time on the business. Now they want to take the next step but they need investment if they are to open a proper outlet. Fred Sirieix meets the teams and follows their pitches. Last in the series.