Preheat Oven to 350 degrees.
Thoroughly wash and dry spinach. Finely chop spinach, parsley and green onions.
Over medium heat, sauté green onion in 1/8 to ¼ pound of butter. Stir until golden. Add chopped parsley, sauté 5 minutes. Add spinach.
Remove from heat and cool in a large bowl.
Add crumbled feta, cottage cheese, and grated parmesan or Romano cheese to spinach mixture.
In a separate bowl, beat eggs. Add to spinach mixture and mix well.
Melt ½ pound of butter.
Cut Filo into 3 sections lengthwise. Keep wrapped with a damp cloth or paper towel.
Working quickly, so the filo doesn't dry out, brush filo with melted butter. Layer filo three sheets high, each sheet brushed with butter.
Place a heaping teaspoon of spinach mixture in corner and fold into triangles as an American Flag is folded.
Lay finished triangles on buttered baking sheets and brush tops with melted butter.
Bake at 350 degrees for 20 minutes or until lightly browned.