If you’ve ever watched a nimble-fingered pro roll, fold and seal their way through a whole batch of dumplings (at a restaurant or in a movie), you know how utterly transfixing the process can be. Some ...

7 ounces (½ block) tofu 4 ounces diced shiitake mushrooms, stems removed and caps diced small 1 pound (½ small head) Napa cabbage, sliced thinly crosswise 1 teaspoon salt 3-4 scallions 1½ tablespoons ...