Heat a pot of water to boiling and add the chives for 10 seconds.
Remove and plunge into an ice cold water bath.
Drain and press all the water out of the chives.
Put the chives and half the oil in a blender. Blend on high a few minutes. Slowly pour in the rest of the oil while the blender is running. Blend for four minutes.
Strain mixture through a fine sieve or strainer lined with a coffee filter.
Store in fridge for up to a week.