Summer Vegetable Quiche This tasty basic quiche recipe can be easily adapted with your choice of in-season and local ingredients. Ingredients 1 10-inch prebaked pie crust 2 teaspoons vegetable oil 1 1/2 cups zucchini and/or yellow squash, diced 1/2 cup red bell pepper, sliced or diced 2 loosely-packed cups fresh spinach, roughly chopped 3 large eggs 2 […]