Spinach Squares
["4 oz. butter", "3 eggs", "1 c. milk", "1 c. flour", "1 tsp. salt", "1 tsp. baking powder", "1 lb. Monterey Jack cheese, shredded", "4 c. chopped fresh spinach"]
["Melt butter in 9 x 13-inch pan.", "Beat eggs.", "Add flour, milk, salt and baking powder.", "Add cheese and spinach.", "Mix well. Spread into pan.", "Bake 35 minutes at 350\u00b0."]
["butter", "eggs", "milk", "flour", "salt", "baking powder", "cheese", "fresh spinach"]