Cut the onion and pork into bite-sized pieces.
Heat some cooking oil in a pan and stir-fry the pork.
Once the pork is cooked, add the onion and stir-fry together.
Add black bean paste and a bit of sugar, then stir-fry.
Pour in water and let it simmer into a sauce.
Boil the pasta noodles.
Pour the sauce over the cooked noodles, mix well, and serve.