Preheat the oven to 350 degrees F.
Cook and chop the bacon into pieces.
Mix the eggs, heavy cream, and salt together until well combined.
Spray a 9-inch pie pan with cooking spray add the chopped bacon, shredded cheese, and parmesan cheese.
Pour the egg mixture over top of the meat and cheese and smooth over.
Place in the oven and cook for about 45 minutes or until set.
Allow your keto crustless quiche to fully cool before serving.
Make the pie crust and press into a 9-inch pan.
Using a fork, add a few small holes to the bottom of the pie crust (6-8 total).
Follow all of the same steps as above.
Note: if the pie crust is not fully cooked after 45 minutes, cook in additional 5-minute intervals until done.
Allow cooling before serving.