Soup with rice and lettuce

For 4 people: 250 g rice-1 big head of lettuce (or 2 small)-yellow-2 large onions 2 g large potatoes (about 500 g)-2 tablespoons white flour-1 cup white wine 2 tablespoons 30 g margarine-olive oil-olive-2 plant nuts din-garlic powder-1 bunch of parsley-salt-pepper

Thinly sliced onions.
Put the oil and margarine in a large saucepan, heat and add onions. Leave to cook for about ten minutes while avoiding to brown them, add the white wine and let evaporate.
Wash the lettuce and cut into strips, Peel the potatoes and julienne grattuggiatele, then add all the onions; Add one liter of broth and a little garlic powder, salt and pepper.
Simmer the soup for 10 minutes.
In a small bowl diluted two tablespoons flour with water and add them to the soup, stirring three.
Cook for 30 minutes then add the rice and cook according to your taste (though at least twenty armed).
Serve hot with chopped fresh parsley.