Rib and white radish soup

Ingredients ...

[1] pork ribs ... 2~3 lbs
[2] ginger ... one golf ball size, slice
[3] scallion ... 2, no need to cut
[4] cooking wine ... 4 tablespoons
[5] star anise ... 2
[6] peppercorns ... 15 pieces
[7] while pepper
[8] white radish ... one, cut into 1 cubic inches cube.
[9] cilantro ... optional, chop, 2 tablespoons
[10] salt

Directions ...

[a] add [1] to a pot of boiling water, bring to boil again for a minute, take out, wash off the “dirty stuff" attached to the rib. ==> [A]
[b] prepare a pot of water, +[A] +[2] +[3] +[4] +[5] +[6], bring to a boil, lower the heat, cook for 50 minutes
[c] +[8], bring to a boil again, lower the heat, cook for another 10 minutes.
[d] +[10]
[e] take out [2], [3], [5], [6]
[f] +[7] +[9] when ready to serve.

Note ...

-- step [b] can be done in the instant pot.