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prep
stalks off, fronds reserved, bulb halved lengthwise and cored
trim the stalks flush with the bulb and keep about 2 tbsp of the feathery fronds; take a thin slice off the root end, halve each bulb through the root, and cut out the solid triangular core from each half. The core is a wedge of dense fibre that will not soften in lemon juice no matter how long it sits, and leaving it in means every shave taken from the base of the bulb carries a hard spine through the middle of it. Any tough or bruised outer layer comes off here too.