Serving and consuming food on a Banana leaf is common out here in MH as well.
We have a well-defined sequence of food that must be served in order from L-R, certain food must go on the top row, and other food on the bottom row on either side of the main vein of the leaf.
We also sometimes have fusion - N.Indian paneer food on banana leaves
Nicely illustrated platter with the labels
Please read about the PolyPhenols in my post.