For an extra kick, add 1 tsp. crushed red pepper to the coating ingredients before using to coat the fish.
Fish is done when it looks opaque and just begins to flake easily with a fork. Undercooked fish looks translucent and overcooked fish looks dry and falls apart.
How to Chop the Mint and Cilantro
Stack the mint and cilantro leaves on top of each other. Roll the stack lengthwise, then cut crosswise into thin slices. This is a technique professional chefs call chiffonade.