Preheat oven to 350°.
Spray a 9-inch pie pan generously with oil.
For the crust, combine the potatoes, salt, pepper, and oil in a bowl, stir until combined.
Press potato blend into your pie pan, including up the sides
Bake potato crust for 10 minutes.
While crust is baking, heat a pan on the stovetop on medium.
Add a bit of spray oil and sliced shallots, cooking until just translucent.
Add minced garlic, spinach, pinch of salt and pepper, chives and oregano and cook for additional 3-4 minutes or until spinach is cooked down.
Pull from heat and let cool.
Pull the crust out of the oven once 10 minutes is up.
Meanwhile in a separate bowl, crack all 6 eggs and whisk until eggs are combined. Add a pinch of salt and pepper and ½ cup cheese. Add the spinach mixture to the eggs and stir.
Pour egg and spinach mixture into the pie pan on top of the crust. Ensure spinach mixture is spread evenly around frittata.
Optional: sprinkle additional ¼ cheese on top.
Cook at 350° for an additional 30 minutes or until eggs are fully cooked.