Preheat oven to 350 degrees.
Cook the bacon over medium heat for 10-18 minutes, until it’s cooked to your desired crispness, flipping half way through. Remove slices from pan and place on paper towel covered plate, then blot with paper towel to remove grease. Chop into small pieces.
Chop mushrooms into small pieces.
Spray the insides of a muffin tin with cooking spray.
Roll pie crust out onto a flat surface.
Using a cookie cutter or drinking glass, cut 12 circles out of the pie crust, and line 12 muffin tin cavities with one of the circles.
In a large bowl, beat eggs and heavy cream for 5 minutes.
Add salt, pepper, and cheese. Stir
Pour mixture into pie shells, using a spoon to help you evenly distribute the cheese.
Top with crumbled bacon and mushrooms.
Bake for 25-30 minutes, until you can insert a toothpick into the middle and it comes out clean.
Remove from oven and let set for about 5 minutes before serving.