Wash the asparagus under cold running water
Trim off the tough woody ends
Bring a pot of salted water to a boil
Prepare a bowl of ice water
Add the asparagus to the boiling water
Blanch for 1 to 3 minutes, depending on thickness
Remove the asparagus with tongs or a slotted spoon
Immediately transfer it to the ice water
Leave it in the ice water for 1 to 2 minutes
Drain well and pat dry before using or storing