Preheat oven to 425 degrees F.
Thaw pie crust as directed in package.
Add olive oil to a skillet; add diced onion and bacon, sauté until golden.
Add red peppers, mushrooms and broccoli. Cook for 5 to 10 minutes until vegetables are tender, stirring often. Set aside.
In a large bowl add eggs, milk and salt and whisk until well combined.
Mix in shredded cheese then add in the vegetable mixture.
Pour into pie shell and bake for 10 minutes at 450 degrees, reduce temperature to 350 and bake for an additional 30 to 35 minutes or until filling is set.
If crust is browning too quickly cover sides with foil.
Remove from oven and cool 10 minutes before slicing.
For Spinach Chourico Quiche, substitute the bacon with Chourico and the broccoli with Spinach.