
Prep. Preheat the oven to 350°F (175°C). Grease a 9-inch pie dish and set aside.
Sauté the veggies. Heat the oil in a medium skillet over medium heat. Add the shallots and sauté for 2 to 3 minutes, until softened and slightly translucent. Add the garlic and baby spinach and sauté for another 30 seconds to a minute, until the spinach is just starting to wilt. Transfer the veggies to the greased pie dish and let cool slightly.
Whisk the eggs. Add the eggs, cream, salt, and pepper to a mixing bowl. Whisk together until light and fluffy. Add the cheese and stir together.
Fill the pie dish. Pour the egg and cheese mixture into the pie dish. Gently stir to mix with the vegetables.
Bake the quiche. Bake the quiche for 30 to 35 minutes, or until the eggs are set.