Spinach Mushroom Squares
["2 medium onions, finely chopped", "1/4 lb. mushrooms, thinly sliced", "2 Tbsp. margarine", "4 eggs", "2 pkg. frozen spinach, thawed and drained", "1/4 c. packaged bread crumbs", "1 can cream of mushroom soup", "1/3 c. grated Parmesan cheese", "1/2 tsp. salt", "1/8 tsp. pepper", "1/2 tsp. basil", "1/4 tsp. nutmeg"]
["Cook onions and mushrooms in butter in a large skillet until soft.", "Beat eggs until frothy.", "Stir in cooled onions and mushrooms, spinach, bread crumbs, soup, 2 tablespoons cheese and spices until well combined.", "Spread mixture in a buttered casserole dish and sprinkle with remaining cheese.", "Bake, uncovered, at 325\u00b0 for 1 hour.", "Yields 6 servings."]
["onions", "mushrooms", "margarine", "eggs", "frozen spinach", "bread crumbs", "cream of mushroom soup", "Parmesan cheese", "salt", "pepper", "basil", "nutmeg"]