Pre-heat the oven to 325°F.
To a large dutch oven, over medium heat, add the olive oil or butter.
Add the onions and garlic; lightly season with salt and pepper; cook just until the onions begin to soften.
Place the skinned drumsticks on top of the onion and garlic; lightly season the top.
Place the lid on the dutch oven and place in the pre-heated oven for about 1 hour and 15 minutes.
Remove from the oven and add all of the vegetables, the chicken stock, black pepper, poultry seasoning, bay leaves and savoury; season with a little more salt, if necessary.
Return to the oven for 45 minutes or until the vegetables are fork tender.
Remove the chicken legs from the stew and strip all of the meat from the bones.
Bring the stew to a slow simmer on top of the stove.
Using a small bowl. mix the flour and water together so that there are no lumps.
Slowly add to the simmering stew; stirring constantly.
Add the chicken back to the pot and simmer for only a couple of minutes before serving.
If adding dumplings, see note for dough boy recipe below; make the dough boys/dumplings; pour in globs on stew; cover stew pot; place stew back into the oven; bake in the pre-heated 325°F oven for 20 minutes until puffed up; remove from oven; remove lid; place back in the oven for another 10 minutes or until top of dumplings forms a crust.