Salad Burnet - allow to flower or start again?

Hello,
Last year I planted Salad Burnet and had lots of smashing leaves from it - amazing how it keeps going!
This year it's growing stalks with flowers on, and I read the young leaves are best to eat, and a site selling seeds reckons it's best to start afresh each year.

Is it best to let it just go on growing its flowers, to take out those stalks and prevent flowering, or indeed to start again, for best flavour?

With many thanks,
Richard (Gonnate)

yes, I would plant more: the taste once they have flowered can go from being glorious pre-flowering to absolutely rank/beyond bitter etc....