A classic for a reason, and a Delish favorite, quiche is the versatile dish I turn to again and again for occasions big and small. My tried-and-tested version perfects every piece of the pie: a soft, ...

Pre-bake the pie shell as directed in the attached recipe and cool. Preheat the oven to 375 degrees. To make the filling: Heat a skillet over medium-low heat, coat the pan with oil, and add the onions ...