3 onion apple tarts gruyere thyme Recipes

buckwheat flour, unbleached all-purpose flour, sea salt, cold unsalted butter , cut into cubes, fresh thyme leaves, apple cider vinegar, cold water, cubed butternut squash (1/4-inch cubes ), extra-virgin olive oil, sea salt and freshly ground black pepper, freshly grated nutmeg, garlic, minced, swiss chard, stems removed, coarsely chopped (about 6 cups chopped ), red pepper flakes, yellow onion, balsamic vinegar, eggs, grated gruyere

vegetable oil, yellow onions halved and thinly sliced, kosher salt, unsalted butter, tart apples peeled and sliced 1/8 thick, sugar, gruyere cheese coarsely grated, chives minced, thyme chopped, ground pepper, frozen puff pastry thawed, egg beaten with 2 tsp water