01 - Heat olive oil in a large skillet or Dutch oven over medium heat. Add onion, carrots, and celery; sauté for 5-6 minutes until softened.
02 - Incorporate minced garlic and cook for 1 minute until fragrant.
03 - Add ground turkey, breaking it up with a spoon. Cook until browned and fully cooked, about 6-8 minutes.
04 - Stir in tomato paste and cook for 1 minute. Add crushed tomatoes, chicken broth, oregano, basil, thyme, and crushed red pepper flakes. Season with salt and black pepper.
05 - Reduce heat to low and simmer uncovered for 25-30 minutes, stirring occasionally until the sauce thickens.
06 - While sauce simmers, heat a large nonstick skillet over medium-high heat. Add spiralized zucchini and cook for 2-3 minutes, tossing gently until just tender but not soggy.
07 - Divide zucchini noodles among plates. Spoon turkey sauce over noodles and garnish with chopped parsley.