Source: http://allrecipes.com/Recipe/Turkey-Tetrazzini-II
1 (16 oz) PKG Pasta
1/2 C Butter, About 8 Tablespoons
1/2 C Flour
3 C Chicken Broth
2 C Milk
1 C Grated Parmesan Cheese
1 C Mozzarella Cheeses, divided
4 C Chopped Cooked Turkey, About 16 oz
Prepare noodles according to package directions, drain and return to pan. Melt butter in a medium sauce pan. Stir in flour and mix until smooth. Add chicken broth and milk, a little at a time. Cook and stir until the mixture comes to a boil. Stir in Parmesan cheese and 1/2 c mozzarella cheese until completely melted and smooth. Remove from heat. Combine turkey, noodles, and cheese mixture. Mix well. Transfer to a large lasagna pan that has been sprayed with non-stick cooking spray. Sprinkle with remaining 1/2 C of mozzarella. Bake in 350F oven for about 30 minutes or until surface is lightly browned.