Roedd casglu’r lafwr, math o wymon, i wneud bara lawr yn ddiwydiant cartref yn Sir Benfro a ddechreuodd tua 1800. Cai’r gwymon ei daflu dros toeon gwellt cytiau i’w sychu cyn ei werthu i fusnesau yn Abertawe lle cafodd ei goginio yn Fara Lawr Cymru a’i werthu wedyn mewn marchnadoedd lleol.
Collecting the laver, a type of seaweed, to make Welsh Laverbread was a small cottage industry in Pembrokeshire, dating back to 1800. The laver was thrown over thatched huts to dry before being sold to businesses in Swansea where it was cooked into Welsh Laverbread and sold at local markets.