Jambalaya, crawfish pie, file gumbo …
Cat in the Kettle, a Chapin parody
Muffin Man, Zappa
Timothy by the Buoys.
Fruit Salad by The Wiggles
You can get anything you want … at Alice’s Restaurant
(Alice’s Restaurant Massacre by Arlo Guthrie)
The Wiggles also did Hot Potato 
Apples & Oranges by Pink Floyd
Candy & A Currant Bun by Pink Floyd
I’m pretty conversant in the Weird Al discography and I can’t really recall a specific song about food.
Big Rock Candy Mountain by Pete Seeger
Spam by Monty Python
Whatever this is by the Swedish Chef
Lollipop by Mika
Popsicle by Jan & Dean
Sugar, Sugar by The Archies
Food Glorious Food from Oliver (The Musical)
Hand Me Down That Can O’ Beans from Paint Your Wagon
Just a reference, not the whole song, but… John Lennon was sparing with some writers, chiding them about holding on to every imagined dirty, lyric they could find, and pointed out, “but you never asked me about Fish and Finger Pie, now did you”.
One Meatball (Andrews Sisters version)
(I Spent My Last $10) on Birth Control and Beer by the 2 Nice Girls
Polk salad is food. Didn’t ya listen to the lyrics?
Soul Dressing Booker T
Raspberry Jam Carole King
White Port and Lemon Juice ?
It’s Poke Salad.
Before he came up with lyrics, Paul McCartney called “Yesterday” “Applesauce” because it had the right rhythm.
