1. List of ingredients: the ingredients of stuffed old crookneck squash mainly include old crookneck squash and pork. If the pork is raw, blanching is necessary in order to kill the microorganisms and parasite eggs in it. If the pork is cooked, then blanching is not necessary.
2. Preparation steps: If the stuffed old crookneck squash is made by sautéing the old crookneck squash first and then sautéing the pork, then blanching is not necessary. If the production, first fried pork and then fried old horn melon, then the pork needs to be blanched to remove blood and odor, so that the finished product tastes better.
To summarize, the need for blanching depends on the specific situation. If you want to ensure food safety and make the old horchata stuffing taste better, blanching may be a good choice.