PURPOSE: To obtain the titled tasty passion vinegar, having high aroma and mellowness and useful for keeping health, etc., by washing passion fruits with water, adding crystal sugar and brewed vinegar, thoroughly shaking and mixing them and aging the resultant blend for a specific period.

CONSTITUTION: Passion fruits are thoroughly washed with water, drained, then cut open to take out fruits therein. The resultant fruits are subsequently placed in a clean container and crystal sugar and brewed vinegar are added. The mixture is thoroughly mixed by shaking and the container is then hermetically sealed. Aging is carried out in this hermetically sealed state for about 1 year by shaking the bottle about once at an interval of about one month and a small amount of refined white sugar is added if the sweetness is low while observing the aging degree. Aging is further carried out for about 2 years to afford the aimed passion vinegar.