Swiss Chard and Mushroom Quiche
For the Pine Nut Crust 1⁄2 cup whole wheat pastry flour 3⁄4 cup unbleached white flour 1⁄2 teaspoon sea salt 1⁄4 teaspoon baking powder 1⁄2 cup pine nuts 1⁄4 cup ice-cold olive oil 1⁄2 cup ice-cold water For the Filling 7 tablespoons extra-virgin olive oil, divided 1 onion, finely diced 1 pound mushrooms, roughly chopped […]