Using Molasses

[Indiana Red]

So, I'd like to try some of this in the Baltic Porter I am making. when does it usually go in? Early or late boil? half pound? 1 Pound?
This beer wil start at about 1.100 so it will be pretty big and quite dark.

 

[budbo]

last 5 min of boil or flame out

 

[brewhead]

and go easy on molasses