Preheat oven to 350°F.
Place the cooked spaghetti in a bowl and coat with 1 tablespoon of olive oil.
Combine the eggs and 1/4 cup of parmesan cheese in a bowl. Add mixture to the spaghetti and mix.
Place the spaghetti mixture into a greased deep-dish pie plate and spread to make a “pie crust”.
Heat 1 tablespoon of oil in a sauté pan over medium heat and cook the ground turkey, salt, garlic powder and onion powder for 5 minutes or until the meat is cooked through. Drain excess grease if necessary.
Pour the marinara sauce over the meat and stir to combine.
In a bowl add the ricotta cheese, remaining 1/4 cup of parmesan cheese and Italian herbs and stir to combine.
Spread the ricotta/parmesan cheese mixture over the pasta, then layer the marinara mixture and finally, top with 1 cup of mozzarella.
Place dish on a sheet pan and bake for 30 minutes.
Cool, cut into wedges and serve.