Step 1

Preheat oven to 400°F.

Step 2

In a large skillet over medium-low heat, melt butter and then fry onions until deep golden brown, stirring occasionally. This will take at least 15-20 minutes. Set aside to cool.

Step 3

Cook bacon until chewy but not too crispy. Chop into bite-sized pieces and set aside.

Step 4

Roll out pie crust into pie pan.

Step 5

In a large bowl, whip the eggs, cream, salt, and pepper, then add onions, bacon, and cheese, and stir to combine.

Step 6

Pour filling into pie crust and cover lightly with foil. Place on a rimmed baking sheet and bake 45 minutes.

Step 7

Remove foil and let bake until golden brown, 10-15 more minutes.

Step 8

Let sit 10-15 minutes before serving. Slice, serve, and enjoy!