I was surprised when I looked that there was no recipe for 'roll mops' on the site. A grave omission! So here is my version. Other fish can be used. I have seen versions for trout fillets but herring is still the traditional fish to use.
Step 3 is confusing. Do you add the 450ml of vinegar, or is it 450ml of 'water and vinegar', in which case what proportion? Is it 450ml of vinegar and some water, in which case how much water? - 17 Dec 2014 (Review from Allrecipes UK & Ireland)
Just a note about your "odd implement" While I have never seen them in a spoon type shape, "tea balls" which are essentially just a small, hollow, ball of metal with holes in it....used to make tea with loose tea, are quite easy to find at least in north America and usually cost all of about 2 dollars. - 29 Nov 2013 (Review from Allrecipes UK & Ireland)