Preheat oven 400 degrees
Grease pie pan with coconut oil
Place grated sweet potatoes, egg, parmesan cheese, salt & pepper, red chili flakes in bowl and combine well.
Press into pie pan and bake in preheated oven 15-20 minutes.
Remove from oven and set aside.
Lower oven heat to 350 degrees
Meanwhile melt butter over medium heat and add olive oil. Place onions , garlic and sliced mushrooms in pan. Cook 2-4 minutes. Then add spinach and cook until slightly wilted.
Remove from stove and set aside.
In medium bowl mix beaten eggs, yogurt, garlic powder, onion powder, turmeric, salt & pepper, and cayenne pepper. Then fold in cheese.
Place spinach and onion mixture on top of sweet potato crust and then pour egg mixture on top.
Bake in preheated oven 30 minutes