The average family produces more than 18 kilograms of food waste per year, and now Whirlpool has come up with an elegant solution to this tricky issue. The ‘Zera Food Recycler’ can turn a week’s worth of scraps into fertiliser for your garden in just 24 hours. Not sold on the idea of an indoor compost heap? A carbon filter prevents pongs. £830, out May (zera.com).