The mirabelle is Lorraine’s golden treasure: a tiny plum (2-3cm diameter) of extraordinary sweetness and perfume that has been cultivated in the region since the 15th century and now carries AOP (Appellation d’Origine Protégée) status. Lorraine produces 80% of the world’s mirabelle crop, and the fruit’s fleeting season (mid-August to mid-September, barely four weeks) makes it one of the most anticipated events in the regional culinary calendar. The mirabelle’s culinary applications span the entire dessert and preserves spectrum. Tarte aux mirabelles: the classic open tart uses pâte sucrée or pâte brisée, the plums halved and pitted, arranged cut-side up in concentric circles, sprinkled with sugar, and baked at 190°C for 30-35 minutes until the fruit caramelises at the edges. Confiture de mirabelles: the plums are cooked with 60% of their weight in sugar and the juice of one lemon per kilogram, simmered for 25-30 minutes until setting point (105°C on a thermometer, or the wrinkle test on a cold plate). Clafoutis aux mirabelles: the fruits are scattered in a buttered dish, covered with a batter of eggs, sugar, flour, and cream, and baked until puffed and golden. Eau-de-vie de mirabelle: the most prized of all Lorraine’s fruit brandies, produced by fermenting ripe mirabelles for 3-4 weeks, then double-distilling in copper pot stills to produce a clear, intensely aromatic spirit that captures the fruit’s essence in concentrated form. The eau-de-vie must rest in glass demijohns (never oak, which would mask the delicate fruit character) for a minimum of one year. In savoury applications, mirabelles appear as a condiment for foie gras, in sauces for roast duck (canard aux mirabelles: pan juices deglazed with the eau-de-vie, fresh mirabelle halves added, reduced with stock and a touch of honey), and in chutneys that accompany charcuterie platters. The mirabelle’s brief season ensures that preserving — in jam, syrup, eau-de-vie, and frozen — remains a vital household activity throughout Lorraine.
AOP-protected Lorraine golden plum. Season: mid-August to mid-September only. Tarte: halved, pit-side up, 190°C for 30-35 minutes. Confiture: 60% sugar ratio, cook to 105°C. Eau-de-vie: ferment, double-distill, rest in glass. Savoury: deglaze with eau-de-vie for duck and foie gras sauces.
Crack a few mirabelle pits and add the inner kernel (amande) to the jam pot — the almond flavour is a traditional secret. For tarte aux mirabelles, spread a thin layer of frangipane on the base before arranging the fruit to absorb excess juice. Freeze mirabelles whole on trays, then bag — they hold their flavour remarkably well and can be used in tarts year-round.
Using underripe mirabelles (they must be fully golden and fragrant). Cooking confiture at too high a heat (the delicate flavour is destroyed). Resting eau-de-vie in oak (masks the fruit). Substituting yellow plums or greengages (different flavour entirely). Discarding the pits before cooking jam (they add almond-like complexity).
La Cuisine Lorraine (Colette Guillemard)