question: What is a good beer pairing for Watercress rochfort and walnut salad?
answer: A great choice for Watercress rochfort and walnut salad is Native Son (West Coast IPA.). Here's the recipe:
  A West Coast IPA. with 8.5% ABV. Uses 3 malts and 9 hop varieties. Brewing tip: This beer is very hop centric. Use the youngest hops that are available and store them in a freezer. This will help slow the degradation of desirable hop compounds.