Cut onions, potatoes, carrots, and meat into bite-sized pieces.
Heat cooking oil in a pan and sauté the onions.
Add the meat and stir-fry over medium heat.
Add potatoes and carrots, and stir-fry together.
Pour in 300ml of water and bring the ingredients to a boil.
Add curry powder and mix well until dissolved.
Simmer over medium-low heat until thickened.