Yeah it works, but it takes a loooooong time. I presume you mean doing it without heat. It'll take a month or so to finish and you'll have to use more to get less of an effect. Try the above mentioned recipe and you will get absolutely
sideways 
The last batch I made, I used honey to flavor it. By the time I got the flavor right, I had inadvertenly injested enough to put me on Mr. Toad's Wild Ride, if you know what I mean. Damn near psychedelic. Way different than smoking
Later
E