JESPER BLOMQVIST is animated as he dusts the work surface with flour and begins a masterclass in kneading dough. For the past hour, Manchester United’s Treble-winning winger has pondered the club’s recent problems, assessed Zlatan Ibrahimovic’s departure, recalled rejecting Sir Alex Ferguson and remembered a raging Roy Keane. But as he fastens up his apron and spoons tomato sauce on to a spongy pizza base, the Swede is ready for action in this new world of work. Six months ago Blomqvist, 45, and his two business partners, Janne and Blendi, opened a pizzeria on the picturesque Swedish island of Lidingo. So far, so good — but it has been far from easy. Blomqvist told SunSport: “I can honestly say I’ve never worked so hard in my whole life,” puffing out his cheeks as he sits at a table in 450 Gradi.His Italian-themed restaurant looks out over the calm waters of the Baltic Sea on a tree-lined bay which has been burnt a deep orange by the autumn months. Here, he feels at home. After retiring from football in 2010 due to injury and age, the former winger, who won 30 caps for Sweden between 1994 and 2002, looked for a…