Blanching vegetables is a process where you cook the vegetables in boiling water for a short period of time and immediately place them into cold water to stop the cooking process. Blanching vegetables such as onions allows for easier removal of the skin. You can also blanch vegetables to prepare them to be frozen, though onions may be frozen without blanching, according to University of Nebraska Extension. Freezing your vegetables after they have been blanched helps preserve the vegetables nutrients and life.
- Skill level:
Things you need
- Strainer or colander
- Kitchen timer
- Large bowl
- Slotted spoon
Wash the onions and remove the ends. Cut a "X" at the root end. Do not cut to deep. This cut helps with the removal of the skin.
Bring a pot of water to boil. The pot must be large enough to fit all your onions in. The water should be at a full rolling boil before you place your onions in.
Prepare a large bowl with ice and cold water. This shocks the onions and stop them cooking once they have been removed from the boiling water.
Place the onions carefully into the boiling water. Set the timer for four minutes.
Using pot holders, remove the pot from the heat and strain the onions. Using a slotted spoon place the onions immediately into the cold water. Once cooled completely, drain the onions from the cold water.
Tips and warnings
- Smaller onions will take less time to blanch and cook. Large onions may need to be blanched for up to 7 minutes. Chopped onions or onion rings should stay in boiling water only 10 to 15 seconds.
- Always be careful around hot water and heat. Be sure to protect yourself with potholders.
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