Preparation
Peel the potatoes, rinse them and dice them and do the same with the carrot.Blanch the tomatoes in boiling water, drain them, peel them and deseed them then chop them up coarsely.Clean and chop up the celery then chop finely the onion.Pour 1, 5 litre of water into a saucepan, add the tomatoes, the cubes of potatoes and carrots, the chunks of celery, the onion, the cloves, cinnamon and bring the lot to the boil.Simmer for 15-20 minutes, sift the mixture with a vegetable mill into the pan, where it will have to reach a bubbling boil before adding the rice, which will be ready when al dente.Serve the tomato rice soup with a dash of extra virgin olive oil, a grind of pepper and caciocavallo at the side.