Season the minced pork.
Slice cucumber into thin strips.
Chop the green onions and mince the garlic cloves.
Mix the ingredients for the sauce.
Heat oil in the pan to high.
Add pork and loosen meat evenly in pan, leave for 1 minute.
Turn pork over and leave for 1 minute.
Reduce heat to medium, add garlic and stir fry meat till well browned about 3 minutes.
Push meat to one side, add sauce, and stir well with meat.
Add water, cover, and cook for 5 minutes.
Bring water to a boil in another pot, turn off the heat and add the udon.
Loosen the udon quickly and drain.
Add udon to the meat sauce and mix well.
Turn off heat, add green onions and cucumber, and mix well.