Spanakopita Greek-inspired Phyllo Pastry with Spinach & Feta Cheese Filling, Spanakopita

filling (spinach, feta cheese [pasteurized milk, salt, onion, cream cheese [pasteurized whole milk and cream, salt, stabilizer, ricotta cheese [whey, vinegar, salt, bread crumbs [unbleached wheat flour, sugar, salt, yeast, ascorbic acid, corn starch, garlic, expeller pressed canola oil, dill, parsley, lemon juice, sea salt, black pepper, fillo dough (enriched wheat flour [wheat flour, malted barley flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid, water, tapioca starch, malted barley flour, sucrose, expeller pressed canola oil and/or sunflower oil, salt, canola lecithin, rapeseed lecithin, tricalcium phosphate, clarified butter, expeller pressed canola oil