Preheat the oven to 190° C fan.
Clean & trim & chop the spring onions & the carrot.
Press the clove of garlic.
Add minced beef, vegetables & herbs as well as the tomato purée in a pan & start frying.
If it seems to dry add some olive oil (about 1 tsp!).
After about 10 min everything should be well done & well mixed.
Transfer to a bowl & set aside.
Discard the bay leave.
Grate the Parmesan.
For the sauce mix all ingredients.
Slice the mozzarella as thin as possible.
Add some oil from the pan to the casserole & distribute on bottom & sides.
Add a solid layer of the tomato sauce.
Take one of the cannelloni & push it in the minced beef mess ... & again ... & again ... The beef mess will start filling the pasta by itself.
Lay the filled pasta in the casserole.
Repeat for the next 8 cannelloni.
Add another layer of tomato sauce.
Distribute the mozzarella slices on top.
Bake in the preheated oven for about 30 min.
Serve at once - attention: really, really hot!!!