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1
Buy the spareribs, clean them, and soak them in water for two hours to remove the blood (this way, the spareribs soup will be very fresh). -
2
Prepare ingredients. -
3
Cut fresh corn into sections and cut carrots into hob pieces. -
4
Peel and slice the yam. 
5
Place the fine steaks on the bottom of the casserole.-
6
Put fresh corn segments on top. -
7
Put the carrot cubes on top. -
8
Add scallions and ginger slices. -
9
Cut green onion leaves into chopped green onions. -
10
Pour boiling water into the casserole and simmer for 40 minutes. -
11
Cover the lid, bring the casserole to a boil, then turn down the heat and continue to simmer. -
12
After the time is up, add the yam slices. -
13
Add salt (adding it at this time will make the pork rib soup very delicious). 
14
Sprinkle with chopped green onion before turning off the heat.