13 Hr Pho Broth

Ingrediencie

12 lbs beef bones (knuckle and marrow bones)

4 lbs beef ribs

Neutral oil as needed

12 quarts water

2 tablespoon sea salt

4 large pieces rock sugar

1/2 cup fish sauce

4 yellow onions, halved and charred

5 inch knob of ginger, charred

5 shallots, halved , and charred

2 bunches of scallion

spices]

1 tablespoon cloves

2 cinnamon

2 tablespoons black pepper corn

4 star anise

2 tablespoons coriander seeds

2 tablespoons fennel seeds

1 cardamum

Additional salt, fish sauce and sugar to taste