fruit: not even by processing (making the compote) the sexual symbols of fruit can their instinctual essence change (see individual types of fruit).
vegetable: not even by processing (slicing) of sexual (usually phallic) symbols of the vegetables can their instinctual essence change (see individual types of vegetables).
potato salad: has the same sexual meaning as (see) potatoes, though the other ingredients and change of form add to its attractiveness.
lettuce: the rose shape and green color of the head of lettuce is related to a spiritual vision and very often accompanies other spiritual symbols (church, cathedral, altar etc.) as well as the processes (some archetypes).