Hollywood lights up museum masterclassGreat British Bake Off judge Paul Hollywood gave a masterclass on the science of baking at Manchester’s Museum Of Science And Industry. He made scones and Cheddar and apple bread, which will be baked by the museum’s chef and sold in the refurbished museum’s new coffee shop.Costa sales soarCosta Coffee has seen sales of its mince tarts up 70% year-on-year, with 200,000 sold in just over three weeks Like-for-like growth in the UK was up 9.4% for the chain, for the 39 weeks to 2 December 2010, with total sales up 30%. Costa plans to open around 300 new stores during 2010/11.Millie’s X Factor saleMillie’s Cookies created four special cookies to mark the X Factor final and auctioned them off for charity on eBay. The eventual winner was Matt Cardle who went on to win the competition securing the highest bid (£22) when the auctions closed on Sunday. The cookies raised £59 for Help for Heroes and Childline, attracting 67 bids in total.Tim’s beats snowYorkshire company Tim’s Bakery took time out from battling through the snow to visit children at Grimethorpe Ladywood Primary School. It laid on a free buffet for pupils after the bakery’s van made it through the freezing conditions to reach almost every customer, even in remote areas.River Cottage slotAidan Chapman’s The Phoenix Bakery was featured on Hugh Fearnley-Whittingstall’s C4 show River Cottage Christmas Fayre on 13 December. The bakery produced a gingerbread version of ’River Cottage’.