| Heat the broiler |
| Freeze the sirloin 20 min so it slices thin |
| 5 lb beef soup bones and oxtail | cover with water, boil 5 min, drain and rinse | combine in a large pot, bring to a boil, skim | add, simmer uncovered 5 hr, skimming | strain, skim fat | season, bring back to a boil until steaming hot | ladle boiling broth over until beef turns just pink | garnish at the table |
| 2 medium onions, halved | char under broiler, 10 to 15 min |
| 4-in piece fresh ginger, halved lengthwise |
| 6 qt cold water |
| 5 whole star anise | toast in a dry pan until fragrant, 2 to 3 min |
| 1 (3-in) cinnamon stick |
| 4 whole cloves |
| 1 Tbsp coriander seeds |
| 1 tsp black peppercorns |
| 3 Tbsp fish sauce, plus more to taste |
| 1 Tbsp sugar (or rock sugar) |
| 2 tsp salt, plus more to taste |
| 1 lb dried flat rice noodles | soak or boil until tender, drain | divide into bowls, top with raw beef |
| 3/4 lb beef sirloin, sliced paper-thin |
| 2 cups bean sprouts |
| 1 bunch Thai basil |
| 1/2 cup cilantro, chopped |
| 3 green onions, thinly sliced |
| 1 or 2 Thai chiles or jalapeños, thinly sliced |
| 1 lime, cut into wedges |
| to serve hoisin and sriracha sauces |