Spinach Pie
["pizza dough (enough for 2 layers)", "1 medium onion, chopped", "2 cloves garlic, finely chopped", "1/2 stick margarine", "1 lb. Ricotta", "1 lb. Mozzarella", "1 pkg. frozen chopped spinach, drained", "1/2 c. grated Parmesan cheese (optional)", "1 small can sauce (pizza, tomato or spaghetti)"]
["Put 1/2 pizza dough on greased sheet.", "Spread sauce to cover dough.", "Saute onion and garlic in butter; mix in cheeses and spinach.", "Spread on pizza dough.", "Place second layer of dough on top.", "Bake at 450\u00b0 for 15 to 20 minutes."]
["pizza dough", "onion", "garlic", "margarine", "Ricotta", "Mozzarella", "spinach", "Parmesan cheese", "pizza"]