1. Preheat your oven to 350°F (175°C).
2. In a large mixing bowl, combine the chopped spinach, feta cheese, ricotta cheese, green onions, dill, parsley, garlic, and beaten eggs. Season with salt and pepper to taste.
3. Brush a baking dish with olive oil. Layer half of the phyllo dough sheets in the dish, brushing each sheet with olive oil as you layer.
4. Spread the spinach mixture evenly over the phyllo dough.
5. Layer the remaining phyllo dough sheets on top of the spinach mixture, again brushing each sheet with olive oil.
6. Bake in the preheated oven for 45 minutes, or until the phyllo dough is golden brown and crispy.
7. Let the spanakopita cool for a few minutes before slicing and serving.