STEP 1/6
You can soak it in water for about 30 minutes to drain blood from your spine. If you can't wait for about 30 minutes, rinse the backbone several times and soak it for about 10 minutes.
STEP 2/6
Wash bean sprouts thoroughly until there are no foreign substances.
STEP 3/6
Peel the potatoes using a chopping knife and cut them into bite-size pieces.
STEP 4/6
Pour water into a pot and boil over high heat for about 35 minutes with cooking wine, bay leaves and coffee powder.
STEP 5/6
If you boil it, you can see the black foam coming up.
Remove the foam with a spoon or ladle.
STEP 6/6
Put beef bone soup and plain water in a pot, add ingredients and seasonings, remove the bean sprouts until the potatoes are cooked, and then add the bean sprouts until the potatoes are fully cooked and boil them until they are out of breath.
When you boil the meat, it can smell fishy, so you can add coffee powder and boil the lid open.