Cut the onion, carrot, potato, and pork into bite-sized pieces.
Heat cooking oil in a pan and sauté the onions.
Add the pork, carrots, and potatoes, and stir-fry together.
When the ingredients are cooked, add water and bring to a boil.
Add curry powder and mix well.
Simmer over medium-low heat for 10 minutes.
Pour the finished curry over rice.