mouthwaterer
noun
Plural: mouthwaterers
Food so delicious or savoury that it causes salivation at its mere sight; delicacy; dainty.
Examples:
This firmish puddingy speciality is likewisely a savourous potatoey mouthwaterer. But in such a happenstance, let us not promise our invitees the twoside-crusted crunchcakes and definitely not make them crave "Bartoncakes": Rather, we openly declare a harulla-lovers' nosh-up. (Source: J∙ Okram - Bartonian Potato Pancakes ● Cooking Recipe.)