robust porter: lacking roasted barely but having roasted grain

jigidyjim · Dec 4, 2010

I don't understand this part of the Robust Porter description for the BJCP guidelines: http://www.bjcp.org/2008styles/style12.php#1b

"... it may be distinguished from Stout as lacking a strong roasted barley character. It differs from a brown porter in that a black patent or roasted grain character is usually present..."

What is the difference between "roasted barkey" and "roasted grain" flavors, how can it lack one but have the other?

Legin · Dec 4, 2010

Stouts and porters are essentially the same. The main difference is that a porter usually doesn't have roasted barley in it, which gives stouts a richer, toasty flavor. In the place of roasted barley, black patent (a roasted grain) is used to give it its dark color without the heaviness of a stout.

Captain Damage · Dec 4, 2010

The difference is whether the grain is malted or not. Black patent is black roasted malted barley. Roasted barley is not malted. The flavors are different.

finnb · Feb 11, 2016

I really don't think there's much of a difference. M.J.Lewis writes in "Stout", from "Classic Beer Styls Series": "Only roasted malt is used by Guiness for export beer. But for other beers, Guiness uses either roasted malt or roasted barley, and they have not been able to detect a flavor difference between these two roasted products (Robert Letters, personal communication).

McKnuckle · Feb 11, 2016

Plus there are lots of roasted grains, all malted: Biscuit, Amber, brown, pale chocolate, chocolate, black patent, the Carafa family. "Roasted barley" - by that name - is not malted.

You need to brew with them to get used to their contributions. It's confusing, though, I'd agree.

robust porter: lacking roasted barely but having roasted grain

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robust porter: lacking roasted barely but having roasted grain

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