In a Dutch oven or large pot, cook onion, celery, and garlic in olive oil and butter over medium heat for about 5 minutes or until softened.
Stir in flour and Italian seasoning. Cook 2 minutes.
Add broth, tomatoes, and turkey. Bring to a boil, reduce heat, and simmer uncovered for 20-25 minutes.
Stir in mixed vegetables and pasta. Cook 10-15 minutes or until pasta is tender. Season with salt and pepper to taste.
