Wash the potatoes well. Slice off the ends of both potatoes, then thinly slice them with a knife or mandoline.
Grease the pie plate with cooking spray or use softened butter.
Arrange the potato slices in a pie plate, starting on the edges and up the edges. Overlap the potato slices. Fill in any gaps with leftover potato slices.
Drizzle with avocado oil, ½ teaspoon of salt, ¼ teaspoon of pepper, and sprinkle the shaved parmesan over the sliced potatoes.
Bake the crust for 15 minutes, or until the potatoes are just cooked and not yet brown. Remove from oven and set aside.
Quiche Filling Instructions:
Reduce the oven temperature to 350 degrees F.
On top of the potato crust, add the diced ham, chopped broccoli, green onions, diced swiss cheese, and cheddar cheese.
In a medium bowl, whisk together the eggs, milk, remaining ½ teaspoon salt, remaining ¼ teaspoon black pepper, and dried mustard.
Slowly pour the egg mixture over the potatoes, ham, broccoli, and green onions.
Bake the quiche for 55-60 minutes, or until the eggs are set and the potatoes are brown.
Slice into eight pieces and serve.
Store any leftovers in an airtight container in the refrigerator. Eat within four days.
Notes
Note 1: Traditional milk or lactose free milk will also work. Low FODMAP Notes:Low FODMAP ingredient information is based on the Monash University Food App and FODMAP Friendly App testing results.