Make a frying. Pour olive oil into a frying pan and heat it. Add mushrooms, carrots. Fry them on medium heat for 2 minutes. Sprinkle with spices, close the lid and simmer for another 2 minutes.
Cook potatoes with mushrooms in the oven. Mix the frying with potatoes. Add soy sauce, salt and a glass of boiling water. Transfer everything to a baking dish and put it in an oven preheated to 200 ˚C for 30 minutes.