Peel onions and garlic. Finely dice garlic and 1 onion. Heat the fat in a pot. Fry the onion cubes and garlic until transparent. Add rice and fry briefly. Add wine and half of the broth, bring to the boil and cook covered over low heat for about 20 minutes.
Once the liquid has been absorbed, add the remaining stock gradually, stirring from time to time. Drain the tomatoes. Collect 1 tablespoon of oil. Wash and drain the rocket. Cut 2 onions into slices.
Heat the tomato oil in a small pan. Fry the onions for 2-3 minutes. Cut tomatoes into strips. Cut rocket roughly into pieces. Slice parmesan. Set aside 1/3 for sprinkling. Fold parmesan, cream, rocket, onions and dried tomatoes into the risotto and continue cooking for 1-2 minutes.
Arrange the risotto on plates, sprinkle with parmesan and sprinkle with maple syrup.