Sweet and Savory Butter Stir-fried Potatoes

Steps

1. 1
   Cut the potatoes into bite-sized chunks and soak them in cold water for 5 minutes.
2. 2
   Slice the onion thinly into about 5mm-wide slices and trim the root.
3. 3
   Drain the potatoes, cover with plastic wrap, and microwave at 600W for 7 minutes (or about 7 minutes 20 seconds at 500W).
4. 4
   Place the pork scraps in a plastic bag, sprinkle with potato starch, and shake vigorously to coat the meat evenly.
5. 5
   Mix the soy sauce, mirin, and sugar in a bowl, stirring until the sugar dissolves completely.
6. 6
   Heat vegetable oil in a frying pan over medium heat for about 30 seconds, then add the pork and onion, stirring to break up the meat and cook until about halfway done.
7. 7
   Add the microwaved potatoes and continue stir-frying for 2 to 3 minutes until excess moisture evaporates and the potatoes turn golden.
8. 8
   Pour the sweet and savory sauce over the ingredients and toss quickly to combine, then finish by stirring in the butter until well mixed.