1 lb. ground beef
1/4 c. chopped onion
1 lb. shredded Cheddar cheese
1 sm. can chopped black olives
1 sm. can drained mushrooms
1 can tomato soup
1/2 can Mazola oil

Brown beef and onions to desired doneness. Season to taste. Cool. Mix remaining ingredients and add cooled beef mixture. Chill overnight. (Must do.) Spread mixture on slices of Italian bread. Bake at 350 degrees until mixture and bread is toasted. Very easy lunch!