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AHA Guideline

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Oatmeal Stout

Oatmeal Stouts are dark brown to black. Coffee-like roasted barley and roasted malt aromas are prominent. Caramel-like and chocolate-like roasted malt aroma should be evident. Fruity-ester aroma is not perceived to very low. Hop aroma is optional, but should not overpower the overall balance if present. A roasted malt character which is caramel-like and chocolate-like should be evident, smooth and not bitter. Hop flavor is optional, but should not overpower the overall balance if present. Hop bitterness is medium. Oatmeal is used in the grist, resulting in a pleasant, full flavor without being grainy. Fruity ester flavor is very low. Diacetyl should be absent or at extremely low levels. Body is full.


  • Original Gravity (°Plato) 1.038 - 1.056 (9.5 - 13.8)
  • Apparent Extract/Final Gravity (°Plato) 1.008 - 1.020 (2.1 - 5.1)
  • Alcohol by Weight (Volume) 3.00% - 4.80% (3.80% - 6.10%)
  • Bitterness (IBU) (20 - 40)
  • Color SRM (EBC) 20+ (40+)