SIMPLE SOUPS: Irish-Italian Soup

This soup is so tasty its addictive! Its really easy as well as being good for you!

Ingredients:
Equal amounts of:
        Chopped leek
        Chopped savoy cabbage
        Chopped potatoes
Carton of chopped tomatoes (or passata)
Vegetable stock (my fave is Swiss Marigold Bouillon)
Dried Oregano (1-2 teaspoons)

Method:
Lightly cook leek and potato in oil or butter.
Add oregano and tomatoes.
Add enough stock to cover veg, then simmer until cooked. (Top up with water or stock if needed throughout cooking.)