Dice the onion and chop the zucchini and bell pepper into even pieces.
Heat a large skillet over medium heat.
Add the ground turkey and break it apart with a spoon.
Cook for 6–8 minutes until fully browned and no pink remains.
Stir in 1 teaspoon Italian seasoning, ½ teaspoon salt, ¼ teaspoon black pepper, garlic powder, and paprika. Cook 1 minute.
Remove the cooked turkey from the skillet and set aside.
Add olive oil to the same skillet.
Add onion, zucchini, and bell pepper.
Sauté for 5–6 minutes until tender but slightly firm.
Stir in minced garlic and remaining 1 teaspoon Italian seasoning. Cook 30–60 seconds.
Return the cooked turkey to the skillet and stir to combine.
Pour in tomato sauce and mix evenly.
Simmer for 2–3 minutes to blend flavors.
Taste and adjust salt, pepper, or crushed red pepper if needed.
Serve hot over cooked white rice and garnish with fresh parsley if desired.