This quiche is a great way to use up a variety of random leftovers in the refrigerator while still feeding your family well
Preheat oven to 350°. Place the pie crust in a pie pan according to package directions.
Sprinkle with onion. Scatter with the 3 cheeses. Top with the assorted vegetables and meats, if desired.
Break the eggs into a bowl and whisk until foamy. Add the remaining ingredients and whisk to combine.
Pour into pie crust. Pie pan will be very full. Bake for 45-55 minutes or until quiche is set in the center. Allow to cool for 15 minutes before serving.
Three Cheese Quiche https://www.dogwoodsanddandelions.com/three-cheese-quiche/