Spinach Cheese Squares
["4 Tbsp. butter", "1 c. flour", "1 tsp. salt", "1 lb. grated Cheddar", "3 eggs", "1 c. milk", "1 tsp. baking powder", "2 (10 oz.) pkg. spinach"]
["Melt butter in a 9 x 13-inch preheated 350\u00b0 oven.", "In a medium bowl,", "beat", "eggs;", "add", "flour,", "milk, salt and baking powder. Mix well.", "Add cheese and spinach;\tblend.\tPour into pan.\tBake for", "35", "minutes.", "Cool", "for 10 minutes.", "Cut into small", "squares to serve for appetizer; large squares to serve for lunch or light supper."]
["butter", "flour", "salt", "Cheddar", "eggs", "milk", "baking powder", "spinach"]