Mix all noodle ingredients together by hand or a stand mixer with the hook attachment until smooth( If doing by hand about 8-10 minutes or by machine 5 minutes)
Cover with a cling wrap and rest for 2 hours at room temperature
Once rested, flatten the dough using a rolling pin into 1mm thickness
pleat the dough, then cut small strips, unpleat the stripes and dust with ample amount of flour to avoid it from sticking together
Place a pot of water and bring it to a boil, once the water is boiling blanch the noodles for 2-3 minutes
Strain the noodles and refresh under cold running water
Place all sauce ingredients in a pan, mix well and leave it on a high fire for about 2 minutes then dd the blanched noodles and let it cook in the sauce until well glazed.
Finally, add the chopped bok Choy and crumbled tofu and toss well to combine
Serve warm