Cut the tofu into cubes. Drain in a colander. Put the lettuce on the bottom of a shallow bowl or attractive serving dish. Place the tofu in the centre & surround it with one mound each of cucumber, carrot, mushrooms & peanuts. Refrigerate until chilled. Combine the TOPPING ingredients in a blender or food processor & whip into a rough mixture. Blend together the dressing ingredients At serving time, sprinkle the topping mixture over the salad then pour on the dressing. Toss at the table.