Just to clarify, porters don't usually use roasted barley (the ingredient that would make the beer a stout) and so have a more pronounced chocolaty flavor profile as opposed to bitter chocolate or roasted coffee that is found in stouts.
3. Earthy Cheeses: Blue, Brie, Camembert, Fontina
Glassware: Pint Glass, Mug
Aroma: Subtle roasty aroma with coffee and/or chocolate undertones. Think Tootsie Roll.
Appearance: Pours a dark brown with garnet highlights with a fluffy tan head.
Flavor: Noticeable roasty malt flavors slightly burnt toast.
Mouthfeel: Medium body that may finish drier because of roasty characters.