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To Fine Port Wine

A method for clarifying port wine using egg whites, wine, and fresh-water sand.

From an old cookbook · modernised transcription
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Why it works: Egg and wine are a kitchen classic. They rank in the top 33% of all ingredient pairs, and cooks put them together in 6,918 recipes. Both carry 2-heptenal, which smells green. The science ↓

To Fine Port Wine

Ingredients

Directions

Prepare the finings

  1. Beat the egg whites and shells in a wooden can or pail with a whisk until thick froth forms.

  2. Add a little wine and whisk again.

  3. If the pipe is full, remove 4 or 5 gallons of wine to make room for the finings.

  4. Add the fresh-water sand to the finings and stir well.

Fine the wine

  1. Add the finings to the wine and stir for 5 minutes.

  2. Leave the bung out for a few hours to let the froth fall.

  3. Bung it up.

  4. Wait 8 to 10 days for the wine to be fine and ready for bottling.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Egg + winetop 33% of all pairs
    Smell alikelow
    Cooked together6,918 recipes

    Shared aroma: 2-heptenal (green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg whites and shells
Their proteins and shell particles bind to haze and settle out, clarifying the wine.
Fresh-water sand
Adds weight so the fining particles sink through the wine more quickly.

The step that matters

Beat the egg whites and shells until thick froth forms. Whipping the whites into a stable foam gives the finings the air and surface needed to disperse evenly through the wine. Under-beaten egg white stays watery and clarifies less well.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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