Storage: Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. Reheat in the oven to maintain crispness.
Variations: While feta adds a classic tang, this pie is delicious without it. You can also add diced potatoes or onions to the filling for extra heartiness.
Tips: Ensure the spinach is thoroughly drained before mixing. Excess moisture is the enemy of a crisp bottom crust.