Spinach Squares
["1 lb. Monterey Jack or Mozzarella cheese, grated", "2 (10 oz.) pkg. frozen chopped spinach", "1 c. flour (plain)", "1 tsp. baking powder", "1/2 tsp. salt", "1/2 tsp. seasoned salt", "1/4 c. onion, chopped", "1 c. milk", "3 eggs", "4 Tbsp. margarine or butter"]
["Preheat oven to 350\u00b0.", "Cook spinach and drain well.", "Melt margarine in 9 x 13-inch pan.", "Mix ingredients in any order.", "Pour into pan.", "Bake at 350\u00b0 for 35 minutes.", "Let stand for 45 minutes. Cut into squares.", "Makes a \"hit\" served cold at receptions. Serves approximately 35."]
["Mozzarella cheese", "spinach", "flour", "baking powder", "salt", "salt", "onion", "milk", "eggs", "margarine"]