Heat the oil in a heavy-based casserole then put in the shanks, for 5-10 minutes turning occasionally so as to brown them all over.
Meanwhile: Preheat the oven to 150°C. Roughly chop up all the vegetables. Break the garlic into cloves but you needn't p them.
Remove the shanks to a plate then add all the chopped veg and garlic. Add the herbs and let them brown, again stirring occasionally for 5-10 minutes.
Return the lamb to the casserole and pour over the wine and stock. Bring to the boil, then put into the oven with the lid on.
Cook for about 3 hours. Serve with green vegetables of your choice and crusty French bread to mop up the lovely gravy!