3 chard tart pastry Recipes

sheet frozen puff pastry (half of 17.3-oz package), thawed, butter, leeks (white and pale green parts only), coarsely chopped, dried thyme, swiss chard , ribs removed, leaves chopped (about 2 1/2 cups), whipping cream, eggs, egg yolks, salt, ground black pepper, ground nutmeg

swiss chard, stems and ribs removed, extra-virgin olive oil, garlic clove, minced, whole-milk ricotta cheese, freshly grated parmesan cheese, eggs, salt, ground black pepper, minced fresh thyme, minced fresh oregano, grated nutmeg, frozen puff pastry (2 sheets), thawed