I was going to try this in a head-to-head with a Difford's Guide recipe for the Parisian Cocktail (40ml gin, 50ml dry vermouth, 20ml cassis), but I liked the Parisian Cocktail with the cassis cut to 15ml.
That was enough cassis for me, so I never tried the Arnaud.
That was enough cassis for me, so I never tried the Arnaud.