Preheat the oven to 350 F.
Add butter to a small saucepan over medium heat. Add the sliced shallots. Cook for 5-6 minutes, until slightly browned.
In a medium bowl, whisk the eggs, cream, salt, pepper, and thyme.
Place the crust in a pie dish, then add the cheese, bacon, and shallots. Pour the egg mixture over top.
Bake for 30-35 minutes until fully set. It should no longer jiggle in the middle.
Let sit for 5-10 minutes, then slice and serve!
