In a hot Dutch oven or pan, lightly brown the pork in the oil.
Add the garlic, onions and carrots and cook for 2 minutes.
Dust with the flour, stir until everything is well coated and then add the cider vinegar and cider.
Bring to a simmer and add the thyme, bay leaf and seasoning.
Cover with a lid and cook at a low simmer for 1½ hours, adding more liquid from time to time if necessary. (alternatively, cook in the oven at 325°F/165°C)
Season to taste with salt and pepper.
Make the dumplings if used and add them to the top of the stew.
Cover and cook for a further 30 minutes, basting after 20 minutes.