I decided to be lazy and create a ginger wheat beer, so I started from an extract kit. Northern Brewers Witbier (http://www.northernbrewer.com/brewing/witbier-extract-kit-2.html
I modified it by addition.
In a separate pot I gathered 2 gallons of water. I brought it to boil and added 2lbs of pureed ginger root, in a mesh bag. I let this steep for 1 hour.
Concurrently I was breweing the witbier.
At the end of the boil for the witbier, I added the ginger water to the pot. I cooled this, and let it ferment in the primary for 2 weeks.
When I transferred it to the secondary I added 1 cup of finely chopped ginger root. During the transfer I pulled some for tasting, and it had a good background ginger flavor, but none of the heat. I am hopping to get the heat in with the late addition ginger.
I plan to keg it next week.