Four Roses Single Barrel OESF is a refined, recipe-driven Kentucky bourbon that shows how much character comes from mashbill and yeast selection. Built on the softer “E” mashbill with the floral “F” yeast strain, this barrel proof expression leans elegant and layered rather than bold and spicy, delivering a balanced profile of caramel, vanilla oak, dried herbs, and gentle orchard fruit at 100 proof.
OESF Breakdown:
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O (Recipe): Four Roses Single Barrel designation
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E Mashbill: Lower rye content → softer, slightly sweeter grain profile
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S: Straight bourbon, single barrel selection
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F Yeast: Floral, slightly herbal yeast strain adding subtle fruit and perfume-like notes
The result is a smooth, structured bourbon with restrained spice, soft sweetness, and a long, polished oak finish that highlights barrel nuance over intensity.
