Caramelized Onion, Mushroom, and Spinach Quiche

Ingredients

• *Preheat olive oil in saucepan.
• *While preheating, slice red onion and chop mushrooms.
• *While vegetables are sauteing, make egg custard by whisking eggs, milk, flour, and ¼ teaspoon of salt. Grind in black pepper to taste. Set aside.
• *Place pie crust in glass pie dish and crimp edges to create a sturdy crust.
• *Sprinkle paprika on top.