Prepare for the stirfry: In a small bowl, mix all the ingredients for the sauce together and stir well to combine. Chop up your tofu/cooked tempeh and cabbage.
In a large pan, wilt the cabbage over medium heat with a small amount of water. You can add the tofu/tempeh anytime during the wilting, which will take about 5-10 minutes. Stir frequently until the cabbage gets nice and soft but still bright green. You could also use other veggies here too that you have on hand.
Cook the soba noodles in boiling water according to package directions, then add to the tofu/tempeh and veggies. Mix briefly to combine.
Scoop the tofu/tempeh veggie noodle deliciousness into your bowl and top with the thai peanut sauce you made. Serve hot. Be prepared for some serious enjoyment!