Heat olive oil in a large saucepan over medium heat.
Add onion and turkey and cook until onion is tender and turkey is cooked through. Season with basil, parsley, pepper and salt.
Add Truvia, diced tomatoes, tomato paste and tomato sauce; mix until well combined. Bring to a boil over medium-high heat and let boil for 10 minutes, stirring occasionally. Reduce heat to low and let simmer for 30 minutes, stirring occasionally.
Meanwhile, cook pasta according to package directions; set aside. Toss pasta and sauce together before serving.