Step 1

Preheat oven to 350-degrees F.

Step 2

Bake 9-inch pie crust until slightly browned, about 25 minutes. Set aside to cool.

Step 3

Heat a large skillet over medium-high heat. Add oil to coat. When oil ripples, add sliced onion and saute for 5 minutes. Add spinach, salt, pepper and thyme; cook stirring for another 2 minutes.

Step 4

In a mixing bowl, thoroughly whisk together milk and eggs. Stir in shredded cheese, as well as onion/spinach/herb mixture.

Step 5

Pour egg filling into prepared pie crust. Bake at 350-degrees F for 30-35 minutes. Let cool slightly before serving.