It will not take more than 25 to 30 minutes for preparing this recipe at home. With the amount of ingredients we have here, you will easily be able to serve 2 people. In case you want to discard Awase Dashi, use 90 ml Mentsuyu, a cup of water and some Mirin in a saucepan. Boil and bring it to a simmer first. Then, cover it with a lid and after 3 minutes, you will get a concentrated udon broth for the Beef Udon Noodles Stir Fry.