Dice the onion, potato, and carrot.
Cut the chicken into bite-sized pieces.
Add cooking oil to a pan and sauté the onions.
Add the potatoes, carrots, and chicken, and stir-fry together.
When the ingredients are cooked, add water.
When it begins to boil, add curry powder and stir well.
Simmer over medium heat for about 10 minutes to finish.