Roasted Corned Beef and Cabbage

lbs flat cut corned beef brisket ((1.4 kg))

packet spice mix (included with corned beef)

black peppercorns

baby potatoes ((scrubbed and cut into quarters) (about 1½ lbs))

medium carrots ((peeled and cut into chunks))

dried thyme

extra virgin olive oil

vegetable oil

mustard seeds

garlic ((minced))

head cabbage ((cut into 5 or 6 wedges) (1 lb/450g))

water ((120ml))

Salt (to taste)