Did a chicory stout 3-4 years ago. It was an extract batch. I'll have to dig into my notes and post amounts and how it turned out.
If I remember correctly, DFH's Chicory Stout uses coffee and chicory. I think that's what we did too.
Kegged: IIPA, Vanilla Porter, Herbitude 3, Berliner Weisse, West Coast Red (Red IPA?), 80/-, Trippel, IPA
Bottled: RIS II
Primary: Robust Porter, India Brown Ale