Aishling Moore: How to make potato rosti with anchovy mayonnaise

The rosti can be cooked a day or two ahead and any leftovers keep well in the freezer

Potato Rosti mussels recipe by Aishling Moore Picture: Chani Anderson

A couple of weekends ago I went to London for 36 hours of good food and a little market research.

I’ve been a frequent visitor to London since I began cooking, sometimes I’ll go to blow off some steam, and other times in search of inspiration.