Spinach Pie
["3 pkg. frozen spinach, drained", "1 c. chopped onion", "8 oz. cream cheese", "2 c. Feta cheese", "4 eggs, well beaten", "1 stick butter, softened", "salt to taste"]
["Mix all together.", "Pour into casserole dish.", "Bake at 350\u00b0 for 30 minutes."]
["frozen spinach", "onion", "cream cheese", "Feta cheese", "eggs", "butter", "salt"]