Preheat the oven to 350 F.
Prepare pie plate by spraying with avocado oil spray. Or use a pastry brush or paper towel to apply olive oil or melted coconut oil by hand.
In a frying pan, cook 3 pieces of bacon over medium heat. Then remove bacon from the pan, keeping the pan to saute the vegetables in step 5.
While bacon is cooking, prepare your vegetables. Mince garlic. Chop mushrooms, onion, spinach, sundried tomatoes.
Using the same frying pan that you cooked your bacon, saute mushrooms, onion, sundried tomatoes and garlic for 5 minutes.
Add spinach and wilt down a couple minutes.
In a medium bowl, whisk 6 eggs and almond milk, salt and pepper.
Transfer mushroom mixture to prepared pie plate.
Pour egg mixture over the mushroom mixture.
Sprinkle grated mozzarella cheese on top.
Bake in pre-heated over for 30 minutes. Quiche should look golden brown.