Mexican Sandwiches
["3 lb. ground beef", "1 chopped onion", "1 (10 to 12 oz.) pkg. Longhorn cheese, grated", "1 (15 oz.) can tomato sauce", "1 (4 oz.) can chopped ripe olives", "1 (4 oz.) can salsa", "2 doz. hard rolls"]
["Brown ground beef and onion until done and drain.", "Add remaining ingredients, except rolls.", "Pinch bread out of center of rolls; fill with beef mixture.", "Wrap each roll in foil.", "Bake at 350\u00b0 for 30 minutes.", "Makes 2 dozen sandwiches."]
["ground beef", "onion", "Longhorn cheese", "tomato sauce", "olives", "salsa", "hard rolls"]