Canh Sườn Khoai Tây
Canh Sườn Khoai Tây·(kahn shoo-uhn kwai tay)
Bát Cháo Mẹ Nấu: Sick-Day Comforts
Tuesday night. The temperature drops. A sore throat starts to scratch. The soup anchors the Vietnamese family meal. A heavy Dutch oven sits on the back burner with a pound of chopped spare ribs and forty-five minutes to kill. You purge the bones of impurities with a brief soak and a hard parboil. You keep your hands off the salt shaker until the broth clears. Salt early, and the meat locks up; wait, and the bones surrender everything. Ladle the broth over jasmine rice, hit it with black pepper, and go to bed.
Before you start
Purge the bones with an alkaline soak.
Place the riblets in a large bowl, cover with cold water, and stir in the baking soda. Let them soak for 15 to 30 minutes while you prep the vegetables. This draws out impurities that would otherwise cloud your broth.
Ingredients
- pork spare ribs or baby back ribs1 1/2 lb
- baking soda1 tsp
- yellow potatoes3 med
- carrots2 med
- sweet corn1 ear
- shallots2 med
- fresh ginger3 slices
- scallions3 med
- fresh cilantro1/4 cup
- neutral oil1 tbsp
- water6 cup
- fish sauce1 tbsp
- chicken bouillon powder1 tsp
- kosher salt1/2 tsp
- black pepper1/4 tsp
Method
- 01
Parboil the ribs to ensure a crystal-clear broth.
Drain the soaked ribs and transfer them to a medium pot. Cover with fresh cold water, add the smashed shallot and ginger slices, and bring to a rolling boil over high heat for 3 to 5 minutes. Dump the contents into a sink colander and aggressively rinse the ribs under warm water to wash away the grey scum, then wipe the pot clean.
- 02
Build the aromatic base.
Return the clean pot to medium heat with the neutral oil. Add the minced shallot and the minced white parts of the scallions, sautéing for 30 seconds until fragrant, then add the clean ribs and toss for 1 minute just to tighten the exterior.
- 03
Simmer patiently without adding any salt.
Pour 6 cups of fresh water into the pot and bring to a gentle boil. Do not add salt or fish sauce yet; salting now locks the meat's proteins and traps the sweet marrow inside. Reduce the heat to low, leave the lid slightly ajar to prevent clouding, and simmer gently for 35 to 40 minutes until the meat is tender.
- 04
Add the root vegetables and finally season the broth.
Turn the heat up slightly and add the carrots and sweet corn. Wait 5 minutes, then add the potatoes. Once bubbling softly again, lower the heat and simmer for 10 to 12 minutes until the vegetables are easily pierced. Stir in the fish sauce, chicken bouillon, and salt, tasting and adjusting until it is incredibly savory and naturally sweet.
- 05
Garnish off the heat and serve.
Turn off the heat immediately and stir in the scallion greens and cilantro, taking care not to boil them lest they turn yellow and bitter. Ladle into a large communal bowl, finish generously with black pepper, and serve steaming hot alongside jasmine rice.
Notes
The secret to clear broth lies in temperature control.
Never cover the pot completely with a heavy lid or let the soup boil violently. This emulsifies the fat and proteins, turning your broth murky instead of pristine.