@JohnK.N. Could only find
this online - €17.50 for 155g (a snip @ €112.9/kg) <Pet peeve> why don't they sell their stuff at reasonable fractions of a kilo so that prices can be easily compared in one's head? Some of these sauces are sold by 155g and some 165 - WTF?</Pet peeve> (Yes, I know it's a first world problem!). Fallon & Byrne's is an upmarket food shop/deli in the centre of Dublin.