Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain and place in large saucepan. Meanwhile, in a large skillet, brown beef over medium heat; just before beef is browned, stir in onion. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.