Smashed potato and kale with anchovy-herb sauce

This is a comforting combination of buttery potatoes and good-for-you greens, with a little bit of garlic thrown in for good measure. It’s a great side dish for sausages, grilled chops and roast beef. Or, if you like potatoes as much as I do, it’s a cosy midweek dinner as is—and even better with the addition of a littl