Talia, the gnome, is known for her love of nature and gardening; this quiche combines earthy mushrooms, reflecting her connection to the land.
Preheat oven to 375°F.
Place pie crust in a quiche pan.
Heat olive oil in a skillet over medium heat.
Add mushrooms and onion; sauté until tender.
In a bowl, whisk together eggs and milk.
Stir in cheese, salt, and pepper.
Spread mushroom mixture in pie crust; pour egg mixture over.
Bake for 25 minutes, or until set.
Garnish with parsley before serving.