Dice all the ingredients into bite-size pieces.
Coat the pot with grape seed oil, then add onion and chicken breast to stir-fry.
When the onions turn brown, add potatoes and carrots and stir-fry for 1-2 minutes.
Add mushrooms, cabbage, and tomatoes.
Pour in the tomato purée and water.
Add bay leaf as well.
Add curry powder.
Simmer on medium-high heat for about 15 minutes.