MAKE IT
Step 1
Line 9-inch pie plate with pie crust dough; crimp edges, if desired.
Step 2
Heat oil in a large skillet over medium-high heat. Add onion; cook, stirring occasionally, for 3 minutes or until soft.
Step 3
Add mushrooms; cook, stirring occasionally, for 8 minutes. Stir in thyme; cook, stirring occasionally, for 2 minutes or until mushrooms are browned and liquid is evaporated.
Step 4
Whisk eggs, flour, salt and pepper in a large bowl. Whisk in evaporated milk. Stir in mushroom mixture and mozzarella cheese. Pour into pie crust.
Step 5
Bake at 375° F for 25 to 30 minutes or until knife inserted in center comes out clean. Sprinkle with Parmesan cheese.