Don't make absinthe at home. Don't even try. It's probably illegal (depends where you are) and it won't be anything like real absinthe. It may even be highly dangerous.
La Clandestine now does two week courses in Switzerland for would-be distillers.
For just $50,000 plus accommodation and food, you can learn all about the plants (including wormwood, fennel etc), the process and the pleasures of real absinthe. You won't learn everything that we have: that has taken us many years of trial and error.
But at least you can learn what not to do and you'll taste some great absinthes while you are learning. Contact me at alan"AT"absinthe-suisse.com for more details.
I wrote that you will learn what not to do. In case there is any confusion about this, we don't want you to make absinthe at home after you have been on the course. But we think you will have a great time with us in Switzerland!
UPDATE: For those few of you who might have thought or still think that this is real, it's not. This article serves to remind those people who want to make their own absinthe, that it is a VERY complicated process which cannot be mastered in a few days. Making absinthe is not just mixing up the plants in alcohol! Making champagne is not just adding soda to white wine! For those who ask what ingredients are necessary to make real absinthe, my answer is:-
1) Get the licences to permit you to distill.
2) Get the right equipment (you can see some of it here) .
3) Set aside a few years of your life to get it right.
4) And if you are doing this in the USA, have patience. You won't be able to sell it.
Taking short-cuts will probably be illegal and expensive (fines and a police record too); it may even be fatal. Do I need to say more?