Cut the chicken breast into bite-sized pieces.
Finely chop the onion and garlic.
Heat olive oil in a pan and sauté the garlic and onion.
Add the chicken breast and cook until it is cooked through.
Chop the tomatoes and add them to the pan, sauté together.
Add curry powder and salt, and mix well.
Pour in water or chicken broth and bring to a boil.
Simmer until thickened, then it's ready to serve.