Preheat your oven to 375°F (190°C).
Sauté the fresh spinach and minced garlic in a non-stick pan over medium heat until completely wilted, then place the spinach in a clean kitchen towel and squeeze out all excess moisture thoroughly.
In a medium mixing bowl, whisk together the large egg, egg whites, non-fat Greek yogurt, crumbled feta cheese, chopped dill, parsley, sea salt, and black pepper.
Stir the squeezed spinach into the egg and yogurt mixture until evenly distributed.
Lightly brush a small individual-sized oven-safe baking dish with a tiny amount of the olive oil.
Lay one sheet of phyllo dough into the dish, allowing the edges to hang over, brush very lightly with olive oil, and then layer the second sheet on top.
Pour the spinach and egg filling into the center of the phyllo dough.
Gently fold the overhanging edges of the phyllo dough back over the filling to create a rustic, open-faced crust.
Bake for 25 to 30 minutes until the filling is set and the phyllo crust is golden brown and crispy.