Any chance that adding some oak chips would help to mimic the flavors of whiskey? I'm just thinking out loud here.
id say thats an inovative idea. But id say do it in the primary fermenter the after racking add the 1/2 cup of jamesons whiskey. But that is if its going to be a 5G recipe.
1/2 cup of whiskey seems like a lot to me. I'd say soak some oak chips in whiskey, add those, and let that baby age for a while. I did this to an imperial red ale I brewed and it seems to be coming along pretty good. It does take a while for that whiskey flavor to mellow out though. So if you add any whiskey, you should let it age for a couple months before you bottle it, IMO.
Wow I just had this idea last night and didn't even see this post. I brewed 11gal of a rouge chocolate stout clone 3 weeks ago and split it between 3 secondaries. One will be as is, the second has cherry concentrate added to it, and the third will be an Irish Car Bomb Stout. I am thinking about adding 6-8oz of Jameson, 3/4lb of Lactose, and 1oz vanilla extract.
Side Note:
I actually made that Bourbon Porter from NB and it's pretty good. The 16oz of bourbon isn't to powerful but very pronounced. The darker the beer the more booze you can put in it and not have it too over powering. I figured since none of what I am adding is fermentable I would do it at bottling and adjust to taste. I'll be sure to post back how it turns out in about 4 weeks.
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Primary 1 -
Primary 2 -
Secondary 1 - 60 min IPA
Secondary 2 - 90 min IIPA
Keg 1 - Irish Car Bomb Stout Stout
Keg 2 - Cream of Three Crops
Keg 3 -