Onions will not be spicy if you do this.
1. Soak the onions in water, the onions will reduce the spicy flavor
Shred the onions, put them into a bowl of water, soak for half an hour, the cooler the water, the better.
2. Soak onions in white vinegar to quickly reduce onion spiciness
If you need to cool onions for a family visit, put them in a bowl of water, pour white vinegar on them, and leave them to soak for 3-5 minutes, so that the cooled onions will be green and not spicy.
3. Salt the onions in advance to reduce the spicy flavor
Put the cut onions in the pot, sprinkle salt and marinate for 5-6 minutes, other seasonings do not put first. After five or six minutes to put other seasonings, so that the cool seasoning out of the onion is very tasty.