Put the Pork bones in a pan and drizzle with olive oil.
Then put in the oven for about 30 minutes until golden brown.
After 30 minutes, add water and make sure the pork bones is covered with water entirely. Put the apple cider vinegar.
Once water is boiling reduce it to simmer for about an hour. After an hour add the garlic, onion, celery, carrots, parsley, sprig of rosemary, sage and thyme.
Submerge everything then, add kosher salt and ground pepper. put the lid on it and let it simmer for 12-13 hours.
After simmering, remove bones, veggies and herbs. If needed add more salt to taste.