Crispy Omelet with Oysters and Bean Sprouts

Here is the kind of dish that gives street food a good name. You scatter a simple batter on a hot griddle to form a lacy noodle pancake. Oysters go on next, or mussels, or shrimp, and then eggs, green onions, and bean sprouts, all to be tumbled into a luscious, salty seafood feast. Thais do not generally make this at home, and why would they? They can stroll to the night market and stand in line at a hoi tote vendor’s griddle with a few baht and a lean hungry look. But if they come West and