In large skillet over medium heat, melt 2 Tbsp butter. Add halibut, galic and thyme. Cook until fish is almost done. Remove and set aside. Add remaining butter to skillet.
Stir in flour and salt until smooth; cook and stir until golden. Gradually add broth and cream. Bring to a boil; cook and stir 2 minutes or till thickened.
In greased 9x13 baking dish, layer noodles, halibut, white sauce and cheese. Repeat layers. Cover and bake at 350° F or 20 minutes. Uncover, bake 20 minutes longer until bubbly.
Let stand 10 minutes before serving. Sprinkle with fresh parsley.Servings: