In my opinion, freezing limoncello will mellow the alcohol "bite" that you would get with a room temperature limoncello. It will not accelerate the aging process but rather produces a more syrupy consistency, which will give a stronger mouth feel and a longer lasting, more flavorful taste.
http://girlgonegrits.blogspot.com/2010/01/lemon-twist.html
Answers
February 6, 2010
In my opinion, freezing limoncello will mellow the alcohol "bite" that you would get with a room temperature limoncello. It will not accelerate the aging process but rather produces a more syrupy consistency, which will give a stronger mouth feel and a longer lasting, more flavorful taste.
http://girlgonegrits.blogspot.com/2010/01/lemon-twist.html