Lightly grease a baking dish.

2)Bring a large pot of lightly salted water to a boil.

Add spaghetti, and cook for 8 to 10 minutes or until al dente.

Drain, and place in the prepared baking dish.

3)Melt butter in a medium saucepan over medium heat.

Stir in flour.

Mix in chicken broth and milk.

Cook and stir until the mixture comes to a boil.

Stir in about 1 1/3 cups Parmesan cheese, and remove from heat.

4)Mix chicken broth mixture and turkey with spaghetti.

Top with remaining cheese.

Bake 1 hour in the preheated oven, until surface is lightly browned.