Dice the onion, tomato, potato, and carrot.
Heat cooking oil in a pan and sauté the onions.
Add tomato, potato, and carrot and stir-fry together.
Add minced garlic and ginger, and sauté.
Add curry powder and chili powder, mix well and stir-fry.
Pour in water and coconut milk and bring to a boil.
Season with salt and cook over medium heat until done.
Finish by topping with chopped coriander leaves.