If the dish contains lots of raw vegetables, pair it with a light, fresh wine, such as an Old World Sauvignon Blanc, a white Burgundy or a Chablis.

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All 24 sites could be accounted for if the first Cabernet Sauvignon vine was a hybrid between Cabernet Franc (another red variety from Bordeaux) and Sauvignon Blanc (a white grape grown widely in western France).

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By far Mr. Jago's biggest sellers are generic Australian red and white wines, New Zealand Sauvignon Blanc and Pinot Grigio, an inoffensive white that Tesco sells more than 27 million bottles of a year.

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While the white grape variety Chenin Blanc still remains the most planted in South Africa, its percentage of vineyard area has fallen in the past 10 years.

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The two white grapes, Chenin Blanc and Pinot Gris, went well with almost everything the pork, the chicken, the pasta and the salmon all fit, and the wines were rich and viscous but also minerally and clean. (I tasted both domestic and imported examples of each grape.) The only sticking point was, unsurprisingly, the steak.

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