what

faery food just what happen when faery put glamour in food. that means faery make that food, tamper with that food, or both.
this can be chimerical food, or physical realm food. either way have glamour, so can: in various folk stories, may also see: daffodil divider

faery diets

this depend with things like habitat, domains, and what type faery.
as well, because most faery not bound to physical realm, have more possibilities in food: thoughts, feelings, dreams, and more become easy available. know one who feed off love, and others who literally feed off confuse people.

still, many do eat more traditional foods. meats (this can include human), baked goods, fruits and vegetables - though in physical realm, some find that modern machine process or preserve food can make sick, especially if have problems with salt.

yes, unlike what some might think, even us who do protect nature not vegan by default. some maybe, by choice. but death and eat as much part in nature as each animal.