Tarator, or skordalia, is one of the most useful dressings I know, a mayonnaise like sauce that contains neither egg nor oil. Here it transforms ordinary chicken salad.
Soak the bread in the milk or stock while you put the walnuts, garlic, and some salt in a food processor and pulse the machine to grind coarsely. Gently squeeze some of the liquid from the bread and add to the processor along with the oil. Process until combined but not pureed. Add as much of the remaining milk or stock as you need to give the mixture a mayonnaise like c