1 lg. bag Doritos
Spaghetti
1 jar spaghetti sauce
1 sm. can mushrooms
1 sm. onion
1 sm. pkg. shredded cheddar or Mozzarella cheese

Crush Doritos. Place half on bottom of 9"x13" pan. Mix cooked spaghetti, sauce, onions, and mushrooms. Pour over Doritos. Pour rest of Doritos on top. Top with shredded cheese. Bake at 350 degrees for about 1 hour.