Wash and drain the chopped spinach very well.Heat olive oil in a deep sauté pan.Sauté onions and green onions until tender.Add the spinach and parsley, cook for 5 to 10 minutes on low, until the spinach is totally dry.Add the nutmeg and season with salt and pepper.Set the spinach aside to cool.Combine the ½ cup feta, parm and eggs.Add the cooled spinach mixture to the eggs and mix until combined.Before placing mixture in muffin tins, spray muffin tins liberally with a spray oil or line them with baking cups to make clean up easier.Fill muffin cups (reg or mini) ¾ full with mix, sprinkle the ¼ cup feta evenly across each muffin cup. (sprinkle with more as desired)Bake at 350° for about 20-30 minutes, or until eggs are set.Serve immediately or store in refrigerator for a few days or in freezer for several months. Reheat frozen bites in oven or microwave. We prefer oven.