there are 4 food effects per element (void hunter elements don't appear to have special ones)
and i'm wondering what they each are. here are my best guesses (! means i'm pretty sure, ? means i'm guessing)

>physical
1 sweet pretzels !
2 cookie with sprinkles !
3 sprinkles sandwich ?
4 vanilla hamburger ?
>fire
1 a chilly pepper !
2 a doughnut !
3 taffy !
4 bonbon !
>ice
1 gummy bear !
2 mint ice ?
3 ice cream !
4 gumdrop ?
>ether
1 lolipop !
2 strawberry hamburger ?
3 strawberry doughnut ?
4 a sushi roll ?
>electric
1 gumdrop ?
2 sugar ball with a peanut inside it !
3 gundrop in a box ?
4 a blue doughnut !

considering that all of yuzuha's skill names have to do with sweets, that would mean all of her food effects are some type of candy as well
>sweet scare
>gummy bombardment
>we have cookies
>candy shot
>dessert time
>hard candy shot
>sugarburst sparkles