Sour Grapes / Verjus
Bunches of Grapes [Verjuice, Verjus; Ab-ghooreh (Persia); Husroum (Arabic)]

Before vinegar production was perfected, verjuice was a major souring ingredient in Europe. It is most often made from unripe grapes. It is essential for accurately reconstructing Ancient, Medieval and Renaissance cuisines and is still somewhat used in France and parts of the American South. It is also much used in the cuisines of Anatolia, Caucasus, and the Near and Middle East. It is available bottled from California and Perigord, France, and is currently a "gourmet" item in Australia.

In some early English cookbooks verjus means juice of crab apples. Since real crab apples (they are tiny with very long stems, like a big cherry) are now all but impossible to get in North America, we will consider only grapes.

Due to our large communities from Armenia and the Near and Middle East, unripe grapes are widely available in produce markets here in Los Angeles, when in season. The two bunches in the photo show the extremes of size (0.28 to 0.65 inch diameter) - Both were just as sour, but the large ones had a faint hint of sweet. The ideal will be just a touch smaller than the big ones, the tiny ones will produce a less flavorful verjus.

Harvested as part of normal vineyard maintenance, sour grapes are most available from April through June. Verjuice can be made from them and frozen for use the rest of the year. The photo specimens were purchased in early June.

More on Grapes




Bowl Verjuice is quite sour, but lighter and fruitier than vinegar. Chefs often use it in place of vinegar in salad dressings where there will be wine at the same time as salad. It interferes less with the wine than vinegar would.

Buying and Storing:   Verjuice is now made and bottled by some California vineyards, but I haven't seen it here in Los Angeles - it's probably found in gourmet shops over on the West Side, but I don't shop there. It is available on-line from both California and Perigord, France.

In season it's very easy to find sour grapes, at least here in Southern California where any produce market serving an Armenian or Near or Middle Eastern community will have them. Try to get a size just a shade smaller than the big ones in the photo above. Buy them when you see them, make your juice and freeze it.

Method:  

  1. Wash the grapes. Pick them off the stems (a few tiny stems included won't hurt).
  2. Bring plenty of water to a boil over high heat. Dump the grapes in for just a few seconds. This kills the yeast on the outside of grapes and will delay fermentation of the juice. Refresh with cold water and drain well.
  3. Place the grapes in a food processor with the sharp metal blade and run until thoroughly mashed, usually around 15 seconds.
  4. Place in a non-reactive strainer (nylon) and press with a wooden spoon until all the juice is out.
  5. For more thorough filtering you can squeeze through a muslin bag.
  6. If you want to eliminate all sediment, run through a coffee filter or a mesh strainer lined with a paper towel.
  7. Refrigerate. Use within about 5 days or freeze.

Yield:   The small grapes in the photo yielded 1 cup from 13 ounces of grapes as purchased. The larger grapes yielded 1 cup from 10-1/2 ounces. Not only was the yield better, they were much easier to handle and made a better verjus, so are preferred over the small ones.

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