A six-year-old sniffs asparagus suspiciously as his father grapples with a grapefruit and several women admire a selection of cabbages, in search of a bargain.

“Everyone pays 20 kroner (about £2) for a reusable bag to fill with whatever they like,” says Bettina Bach, 31, of Bo Welfare, a social housing project in the Danish city of Horsens that runs the food waste pop-up shop.

“We collect fruit and vegetables from local supermarkets to sell twice a week. It may be that the packaging’s damaged or it’s nearing its best before date, but it’s still good food – so we thought, why let it go to waste?”