Prepare pasta according to package directions; drain. Preheat oven to 350º F.
In a large saucepan, melt butter; stir in flour, basil, salt and ground black pepper. Gradually stir in milk. Over medium heat, cook and stir until mixture thickens and bubbles.
Remove from heat. Add 1 cup cheddar cheese and Parmesan cheese; mix well. Stir in cooked pasta.
Spoon half the pasta mixture into a greased 13 x 9-inch baking dish; top with Swiss cheese then remaining pasta mixture. Cover; bake 25 minutes or until hot and bubbly. Uncover; immediately top with remaining 1 cup cheddar cheese. Let stand 10 minutes before serving.
Servings 0