3 lbs. ground beef
1 onion, chopped
1 (10-12 oz.) pkg. Longhorn cheese, grated
2 dozen hard rolls
1 (15 oz.) can tomato sauce
1 (4 oz.) can chopped ripe olives
1 (4 oz.) can salsa

Brown ground beef and onion together; drain. Add remaining ingredients except rolls. Pinch bread out of center of rolls; fill with the beef mixture. Wrap each roll in foil. Bake at 350 degrees for 30 minutes. Yield: 2 dozen sandwiches.