Recipe of the month: Swiss chard tart

Recette du mois : la tourte de blettes Gusta Nissa

A chard dessert, with Parmesan in it. Visitors hesitate, and we understand why. Except that Nice isn't odd: the rest of Europe changed its mind, and Nice kept the recipe.

Few dishes provoke such a frank reaction. Announce a sweet chard tart, with raisins, pine nuts, apple, and a handful of Parmesan, and you'll get a raised eyebrow. Yet, this tart is no mere fancy: it is probably the oldest dish in Nice's repertoire still eaten as is.

It's not an oddity, it's a survivor

To understand the chard tart, we must remember something modern cuisine has made us forget: until modern times, European cuisine did not separate sweet from savory. Sugar was an expensive spice, used like pepper or cinnamon—in meats, in vegetables, everywhere. The idea that sweet should come at the end of the meal and stay in its lane is a relatively recent invention.

The Middle Ages and the Renaissance were thus full of "herb tarts," indiscriminately sweet or savory, filled with leafy vegetables—spinach, chard—which were precisely called herbs. The first written recipe for chard tart dates back to the end of the 15th century, in line with these vegetarian tarts codified by the great Italian Renaissance chef, Maestro Martino. In the 18th century, we still find a tart with spinach, sugar, almonds, and candied lemon peel.

In other words: all European cuisines did this. Almost all stopped. Nice continued. This dessert is not a local eccentricity; it's a living fossil—and that's what makes it fascinating.

Why chard, and why here

The choice of vegetable is very pragmatic. Chard grew easily in the gardens of the Var plain and the banks of the Paillon. It is robust, yields for a long time, and most importantly, it is available when fruit is scarce—which, for a dessert, solves a real problem.

Only the green, the leaves, are used. The white stalks go into a gratin or a sauté: one vegetable, two dishes, nothing wasted. And you need a lot, because the leaf is mostly water: count two to two and a half kilograms of whole chard to get one kilogram of blanched greens.

The people of Nice have also inherited an unflattering nickname from this passion, caga blea, which propriety advises not to translate literally—but which clearly indicates the place of this vegetable in local identity. Few cities accept being designated by a vegetable. Nice wears it with humor.

Parmesan in a dessert

This is the detail that causes the most hesitation, yet it is the smartest part of the recipe. Parmesan isn't there to add saltiness: it brings a note of umami and a hint of salt that prevents the whole from becoming bland. Without it, the tart would simply be sweet and a little vegetal; with it, each bite is refreshed.

The principle is not exotic when you think about it: it's like salted butter caramel, or a cheesecake, where a fresh cheese supports a dessert without being named. Note, by the way, that Parmesan belongs to both versions of the tart: the sweet, with raisins, pine nuts, sugar, and sometimes orange blossom; and the savory, where onions and sometimes anchovies are added.

The recipe, for one tart

  • An egg shortcrust pastry, in two discs (or an olive oil pastry)
  • 1 kg of blanched chard greens, or 2 to 2.5 kg of whole chard
  • 3 to 4 soft-fleshed apples, preferably Reinette
  • 75 g pine nuts
  • 100 g raisins
  • 120 g sugar
  • 60 g grated Parmesan
  • 1 egg, the zest of half a lemon
  • Dark rum for the raisins, powdered sugar for finishing

The day before, soak the raisins in rum. Blanch the chard leaves for a few minutes, then—and this is the decisive step—squeeze them obsessively dry, by hand, in a tea towel. Any remaining water will come out during cooking and make the pastry soggy. Then chop them finely.

Mix the chopped greens with sugar, drained raisins, pine nuts, Parmesan, zest, and beaten egg, then the apples in small cubes. And here, a second secret: let the filling rest overnight in the fridge. This time allows the chard to absorb the flavors, instead of remaining a vaguely sweet vegetable next to the rest.

The next day, line a mold with the first disc, fill, cover with the second, seal the edges. Bake at 180 °C (350 °F) for about forty minutes. The powdered sugar is applied once the tart has cooled—on a hot tart, it melts and disappears.

Why there isn't one single recipe

If you ask three people from Nice for the "real" recipe, you'll get three answers, and the explanation is historical. Many families didn't have ovens at home: they would take their tart to the neighborhood baker, who would bake it with others. Recipes therefore circulated from door to door, each one changing as it went.

Hence the variations, all legitimate: with or without currant or apricot jam, with or without lemon, apples mixed into the filling or arranged in slices on top, a hint of orange blossom, sometimes a glass of eau-de-vie. Written references themselves do not agree: the version popularized by Jacques Médecin, former mayor of the city, is not that of Mère Barale, another authority on the subject.

Seeking the canonical recipe is therefore the wrong quest. What is immutable consists of five elements—chard, raisin, pine nut, apple, Parmesan—and everything else belongs to the family that makes it. Perhaps that's what true tradition is: not a fixed recipe, but a structure strong enough to allow everyone to tinker with it.

It can be found all year round at bakeries and pastry shops in Old Nice, sold by the slice. To be eaten at room temperature rather than straight from the fridge, and without being put off by the mention of chard.

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