Cut the onion, carrot, potato, and meat into bite-sized pieces.
Heat oil in a pan and sauté the onion.
Add the meat and cook until the surface is browned.
Add the carrot and potato and stir-fry together.
Pour in water and bring to a boil.
Once the ingredients are cooked, add curry roux and stir well while simmering.
When the sauce thickens, turn off the heat and serve over rice.