Sémillon is a white grape variety best known from Bordeaux, where it is used in both dry white blends and sweet wines such as Sauternes and Barsac. It has relatively thin skins that are susceptible to noble rot, making it especially important in botrytised sweet wines. Sémillon can also age well, developing waxy, honeyed and nutty complexity.
In Bordeaux, Sémillon is commonly blended with Sauvignon Blanc and sometimes Muscadelle. It contributes body, texture and a rounded palate, while Sauvignon Blanc adds acidity and aromatic freshness. In Sauternes and Barsac, noble rot concentrates the grapes and produces rich sweet wines balanced by acidity. In Australia’s Hunter Valley, Sémillon is often made as a dry, relatively low-alcohol wine that can develop complex toast and honey notes with bottle age.
Young Sémillon may show lemon, apple, lanolin and subtle herbal notes. With age, it can develop beeswax, toast, nuts and honey. In botrytised wines, flavours include apricot, marmalade, saffron and dried fruit. Body and acidity vary by region, harvest and winemaking.
Dry Sémillon and Bordeaux blends pair with fish, shellfish, roast poultry and richer vegetable dishes. Sweet Sauternes and Barsac pair with foie gras, blue cheese, fruit tarts and selected desserts. A mature dry Hunter Valley Sémillon can accompany seafood and poultry.
Example: serve dry Graves or Pessac-Léognan with grilled fish, Hunter Valley Sémillon with prawns, and Sauternes with foie gras or Roquefort.
Sémillon is generally fuller and more textural, while Sauvignon Blanc is often more aromatic and higher in perceived acidity. They are frequently blended because their characteristics complement each other.
Chef’s note: Sémillon is not always sweet. Identify whether the wine is dry Bordeaux, aged Hunter Valley or botrytised Sauternes before planning the pairing.
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