Question: how long cook whole wheat spaghetti?
Answer: Bring 4 - 6 quarts of water to a rolling boil, add salt to taste.
Add contents of package to boiling water. Stir gently.
Return to a boil. For authentic "al dente" pasta, boil uncovered, stirring occasionally for 7 minutes. ... 
Remove from heat. ... 
Serve immediately with your favorite Barilla sauce.