Cut the pork into bite-sized pieces.
Slice the onion, green onion, and spicy green chili into small pieces.
Heat some cooking oil in a pan and stir-fry the pork.
Add the onion, green onion, and spicy green chili and stir-fry together.
Add chili powder, doenjang (soybean paste), and soy sauce, then stir-fry.
Pour in water and oil, then bring to a boil.
Simmer over medium-low heat until the stew thickens.