Amid the usual flurry of missives on Whatsapp about after-school activities and which teacher isn’t very bright, Carly Osterbrook’s offer stood out: “Anyone want some vanilla-cashew Strüesli? My kids said it ‘tastes weird’ 🙄 Anyway first come first serve!” The reaction from the community was swift. “We were stunned,” said one member of the 200+ strong text group. “Even a food bank won’t accept second-hand cereal.”