1. Char the onions and bones on a baking sheet in your broiler over high heat until the bones and onions are charred, 10-15 mins.
  2. Add charred bones and onions to your crockpot; scrape all the bits and pieces off the baking sheet into the crockpot.
  3. Add the fish sauce, SSC’s Asian Seasoning, sugar, beef, and water.
  4. Cook on high for 4-6 hours.
  5. Remove beef from the broth, set aside.
  6. Strain all other solids from the broth and return the broth to the crockpot.
  7. Adjust seasoning and serve with garnishes and sides (noodles, thinly sliced beef, chili peppers, cilantro, sprouts, Sriracha and Hoisin.)
  8. ENJOY