01 -
Preheat the oven to 375°F.
02 -
In a large skillet over medium heat, sauté diced onion, sliced mushrooms, and diced butternut squash until softened, about 6-8 minutes.
03 -
Add chopped kale to the skillet and cook until it is wilted, approximately 2-3 minutes.
04 -
Whisk together large eggs, whole milk, salt, and black pepper in a mixing bowl until fully blended.
05 -
Distribute the sautéed vegetables evenly inside the pre-made pie crust.
06 -
Pour the egg mixture over the vegetables and sprinkle shredded cheddar cheese evenly on top.
07 -
Place in the oven and bake for 35-40 minutes, or until the center is set and the surface is golden brown.
08 -
Allow to cool for several minutes before slicing and serving.