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["Place the flours, chopped herbs, and the butter, cut in chunks, in the food processor. Pulse 6-7 times until the butter remains in pea-sized chunks.", "Turn the mixture out into a bowl and with a fork stir in the ice water. On a lightly floured board or marble slab, turn the dough over gently a few times just until it holds together.", "Form the dough into a disk, wrap it in plastic wrap, and chill for an hour.", "Preheat oven to 425u00b0.", "Dice the chard stems into a fine dice. Make a chiffonade with the chard leaves by stacking them up, rolling them lengthwise, then slicing across the rolled leaves until you have a pile of fine strips.", "Slice the whole bunch of green onions, keeping the green and white parts separated.", "Heat the olive oil in a large skillet. Add the diced chard stems and the white parts of the green onions and sweat them, covered, over a low flame, for 5 minutes.", "Add the chard leaf chiffonade and the sliced onion greens to the pot. Salt, pepper, and sprinkle with the quatre epices. Cover the skillet and sweat the vegetables together for another 5 minutes. The chard should be tender to the bite and highly seasoned. Remove from the fire and let cool.", "Roll out the dough and fit it into a removable bottom 10"" tart pan.", "Whisk together the creme fraiche, cream, eggs, and egg yolks. Stir in the cooled vegetables.", "Pour mixture into the tart shell and set the tart in the hot oven for 15 minutes. After 15 minutes reduce the temperature to 350u00b0 and continue baking the tart for another 25-30 minutes, until the surface is golden, slightly puffed, and lightly firm.", "Serve at room temperature."]
