Duck and Endive Salad with a Pickled Walnut Dressing Recipe

This recipe was produced as part of a paid partnership with fine wine merchant When I first met my boyfriend he lived in Paris. We would zip back and forth on the Eurostar like it was a fun game and I spent dizzying weekends zooming around the 18th arrondissement rummaging in markets and eating at tiny bistros where the menus were always the same. This was, ooh, seven years ago now? A few memories are salient: the tiny lift in his apartment which just about fit two people if you really breathed in; the cold marble steps leading up to the flat, which seemed glamorous and so Parisian, my stomach tingling; us mesmerising a child in the street with a large golden pig we bought in an Asian supermarket on a whim; me mortified after…