1 lb. spaghetti
water (to boil spaghetti)
1 small onion
1/2 jar Ranch dressing
1 jar spaghetti sauce
1 tbsp. butter

Boil water. Put in spaghetti. Dice onion in boiling water and add butter. When spaghetti is soft, drain. Put cold spaghetti sauce and Ranch dressing on hot spaghetti.