Cut potatoes, onions, and scallions into bite-sized pieces.
Stir-fry pork to render the fat.
Add potatoes, onions, and scallions to the pan and stir-fry together.
Season with soy sauce, gochujang (Korean chili paste), red pepper powder, and minced garlic.
Pour in water and broth, then bring to a boil.
Simmer over medium heat until the potatoes are cooked through.