Stuffed Meat Loaf Squares
["1 lb. lean ground beef", "1 c. seasoned bread crumbs", "2/3 c. ketchup", "1/2 c. milk", "1 large egg", "1 (10 oz.) box frozen chopped spinach, thawed and squeezed", "3/4 c. shredded Cheddar cheese"]
["Mix beef, bread crumbs, 1/2 cup ketchup, milk and egg in a large bowl until blended.", "Pat 1/2 of meat mix into bottom of an 8-inch square pan.", "Layer with spinach, then cheese.", "Top with remaining meat mix.", "Spread 1/3 cup of ketchup on top.", "Bake at 375\u00b0 for 30 to 35 minutes."]
["lean ground beef", "bread crumbs", "ketchup", "milk", "egg", "Cheddar cheese"]