1.   Patricia Wells has been stepping aside in the narrow shop as visitors sample almond oil, pistachio oil, and walnut oil.

2.   Pacific Food Importers sells grapeseed oil, hazelnut oil, almond oil, walnut oil, coconut oil and pistachio oil.

3.   The foie gras is simply removed from the bag, sliced and served on a bed of baby arugula with pepper cress and a pistachio oil dressing.

4.   The entertainment comes in the form of an avocado and caviar puree scented with pistachio oil, langoustine raviolis in a delicate consomme, a perfectly cooked sea bream.