Veggie-Packed Paleo Quiche

grain free pie crust, pre baked ((see notes for link to recipe))

package frozen spinach ((about 1 cup, defrosted and drained))

large red bell pepper ((reserve 6-8 slices for decoration, if desired, sliced))

very thinly sliced sweet onion, (loosely packed)

nutritional yeast, (optional, or replace with cheese of choice)

chopped fresh herbs, (optional)

whole eggs

unsweetened vanilla almond milk or full fat coconut milk

coarse salt

coarse ground black pepper