Glenrothes 10 Years Old 2013 Cask #CM 303 (The House of MacDuff)

The House of MacDuff is a Scottish independent bottler operating The Golden Cask range as its flagship single cask programme. The firm releases cask strength bottlings under direct cask number identification, with this Glenrothes 10 Years Old, distilled in 2013 and bottled in 2023 from cask CM 303, drawn at 62.4% with 124 bottles destined for European markets. The relatively small outturn reflects either a hogshead format or significant angel's share over the decade of maturation.

Ten years in a bourbon cask at a final 62.4% suggests the cask sat in low humidity warehousing favouring water evaporation over alcohol, leaving the spirit at sustained high strength. American oak's vanillin and lactone contributions concentrate at this strength rather than diluting, while the cask's first fill or active second fill activity drives the wood signature sharper. The youthful age window keeps the spirit's natural Speyside ester chemistry clearly at the front.

On the nose, vanilla pod and toasted coconut sit alongside white peach and honey, the cask's active extraction clearly developed. The palate concentrates further at 62.4%: cooked apple, lemon curd and dill from lactones, with a sharp toasted oak grip emerging mid palate. The finish runs long and oak forward, the high strength pulling the cask's contribution through hard without scorching the spirit's fruit.