Heat olive oil in a medium-large pot over medium heat. Add the onions, carrots, and garlic and cook until vegetables are tender, ~ 5 mins. Add mushrooms and cook 2 mins more.
Meanwhile, in a large pot, boil water and cook pasta according to instructions on package. Prior to adding the noodles, salt the water with 1 1/2 t of the salt. Strain noodles when done and return to empty pot.
Add turkey to veggie mix in pan and cook until no longer pink, ~ 5-7 mins. Stir frequently, breaking up the meat chunks as you go.
Stir in the marinara sauce, pepper and remaining 1/2 t salt. Cook sauce on low for 10 mins.
Pour sauce on top of noodles in pot. Add parmesan and mix everything together until the cheese is completely melted and everything is well incorporated.
We recommend that all meals for children be served with milk.