Chachi's Bakala jo soup . Mixed Vegetable Soup

Ingredients
1 table spoon butter
1 medium onion; finely choped
1 table spoon plain flour
1 400 gm tin plum tomatoes; liquidised
4 cups finely choped cabbage
1 cup peas
1 cup chopped carrots
3 cups water ( you can add more or less water according to how thick you want the soup to be)
salt to taste
f1 tspn reshly ground black pepper or to taste

Method
Add butter to the heated saucepan
Add the onions; fry until transparent
Add the flour, fry until light brown, it should smell delicious
Add the tomatoes
Cook for 10 minutes at low heat
Add the vegetables and the water.
Add the salt and pepper
Simmer for 20 minutes, serve with garlic bread or plain rice.