1. Cook pasta according to package directions. Set aside.
2. Heat a large, deep skillet over medium-high. Add beef & onions. Cook 5-7 minutes, crumbling meat, stirring occasionally.
3. Add all remaining ingredients, except pasta, stirring frequently. Cook 8-10 minutes or until mixture starts to boil.
4. Add pasta & simmer 2-3 minutes or until pasta is warm, stirring frequently.
5. Divide evenly & serve!