First, wash those leaves like you’re scrubbing a muddy welly boot. Cavolo nero grows close to the ground, so it’s a magnet for grit and the occasional philosophical pebble. Fill your sink with cold water, submerge the leaves, and swish them around like you’re conducting an underwater symphony.
Pro tip: don’t be gentle. If you spot a tiny earthworm having a bath, just smile, fish it out, and thank it for its soil-saving services. Then pat the leaves dry—or, if you’re lazy, just shake them like a wet dog. The UK climate won’t judge you.
