Preheat oven to 350 degrees
Add the spinach, bacon, artichokes, red onion and shredded cheese to the baked pie shell.
Whisk together the eggs, half and half, Dijon mustard, thyme, salt and pepper. Pour over the cheese evenly.
Place in the preheated oven and bake for 30-40 minutes or until completely cooked.
Let rest a few minutes, slice and enjoy!
