Tarator Sauce

Serve this with fish.

1 cup walnuts
2 cloves garlic
1 slice white bread, crusts removed and soaked in water
Juice of 1 lemon
2/3 cup olive oil
Salt, to taste

Grind walnuts, garlic and salt in a blender or mortar. Add bread, squeezed dry. Add half the lemon juice and slowly add olive oil until you have a thick, smooth paste. Ad more lemon juice according to taste.