You can use regular green cabbage for this slightly spicy, sweet and sour stir-fry, or you can use Napa Cabbage. I like to serve the dish with bulgur, but you could also serve it with rice, noodles, or any other grain.
02Heat the remaining oil in the pan over medium-high heat and add the onion. Stir-fry for about 3 minutes, until crisp-tender, and add the white part of the scallions, the garlic, and ginger. Stir together for about 30 seconds, until fragrant but not colored. Add the cayenne, stir in the cabbage and stir-fry until the cabbage begins to wilt, about 2 minutes. Stir in the vinegar, and sugar and continue to cook, stirring, until the cabbage is crisp-tender, 3 to 5 minutes.
03Return the tofu to the pan and stir together. Add more soy sauce to taste and stir together. Sprinkle on the scallion greens and sesame seeds and remove from the heat. Serve over grains or noodles.