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Dark British Beer / 16B

Oatmeal Stout

Certified Beer Server Candidate Style Profile

Official BJCP guideline sections attached for full style exploration.

Certification exam alignment
Certified Beer Server Certified Cicerone® Advanced Cicerone® BJCP Beer Judge Entrance Exam
Source
BJCP 2021 Beer Style Guidelines

Overall Impression

A dark, roasty, full-bodied stout with enough sweetness to support the oat backbone. The sweetness, balance, and oatmeal impression can vary considerably.

Aroma

Mild grainy, roasty, coffee-like character with a light malty sweetness that can give a coffee-and-cream impression. Low to medium-high fruitiness. Medium-low earthy or floral hop aroma optional. A light grainy-nutty oatmeal aroma is optional. Medium-low diacetyl optional but typically absent.

Appearance

Brown to black in color. Thick, creamy, persistent tan- to brown-colored head. Clear, if not opaque.

Flavor

Similar to the aroma, with a mild roasted coffee, milk chocolate, or coffee-and-cream flavor, and low to moderately-high fruitiness. Oats can add a toasty-nutty, grainy, or earthy flavor. Medium bitterness. Medium-sweet to medium-dry finish, which affects the perception of balance. Malty, roasty, nutty aftertaste. Medium-low earthy or floral hop flavor optional. Medium-low diacetyl optional but typically absent.

Mouthfeel

Medium-full to full body, with a smooth, silky, velvety, sometimes an almost oily slickness from the oatmeal. Creamy. Medium to medium-high carbonation. Stronger versions may be lightly warming.

Vital Statistics

IBU
25 - 40
SRM
22 - 40
ABV
4.2% - 5.9%

Commercial Examples

  • Anderson Valley Barney Flats Oatmeal Stout
  • St-Ambroise Oatmeal Stout

Similar Styles: How to Tell Them Apart

Use these guideline-based sensory contrasts to organize comparative tasting practice.

Both are full-bodied, creamy stouts that soften coffee-and-chocolate roast with sweetness and can suggest coffee with cream. Sweet Stout is defined by stronger residual sweetness, while Oatmeal Stout is identified by its silky oat texture and optional grainy, nutty, or earthy oat character.

Compare with: 16A. Sweet Stout

By aroma

  • Oatmeal Stout combines mild coffee-like roast and light malt sweetness with an optional grainy-nutty oatmeal aroma, unlike Sweet Stout's stronger cream-like sweetness.
  • Its aromatic balance can range from Sweet Stout-like to drier and roastier, so the oat impression may be subtle rather than overt.

By taste

  • Oatmeal Stout can finish medium-sweet to medium-dry, a broader and generally less sweet range than Sweet Stout.
  • Toasty-nutty, grainy, or earthy oat flavor can accompany mild coffee or milk chocolate where Sweet Stout emphasizes sweetness against roast.
  • A smooth, silky, velvety, or slightly oily mouthfeel is the strongest Oatmeal Stout clue.

Quick tell: Silky oat texture with nutty-grainy roast identifies Oatmeal Stout.

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