Tofu and Salmon in Pepper Sauce

This is one of those fortuitous matings of excellent leftovers and excellent fresh things that results in a dish that no one has ever heard of—a simple stir-fry of steamed, poached, or baked fresh salmon with cubed tofu, slivered sweet pepper, and fresh coriander, left to bubble briefly in a peppery chicken stock. It was a dish first cooked when there was some leftover salmon in the icebox, and I have never been able to convince myself that it tastes as good if one starts with the uncooked