Cut the onion, potato, carrot, and meat into bite-sized pieces.
Heat some cooking oil in a pot and sauté the onions.
Add the meat and cook, then add the potatoes and carrots and cook further.
When the ingredients are about halfway cooked, pour in water and bring to a boil.
Simmer over medium heat until the ingredients are cooked through.
Lower the heat and add curry roux, letting it dissolve.
Stir and simmer until the roux is fully dissolved.
Pour the curry over rice and serve.