Step 1

Cook noodles according to package directions. Drain well, and set aside.

Step 2

Sauté onion and green pepper in butter in a Dutch oven until tender; add flour, stirring until smooth. Cook 1 minute, stirring constantly. Gradually add milk; cook over medium heat, stirring constantly, until thickened and bubbly. Stir in noodles, 1/4 cup Parmesan cheese, poppy seeds, salt, red pepper, and turkey; add pimiento, and stir gently.

Step 3

Spoon mixture into a lightly greased 12- x 8- x 2-inch baking dish. Cover and chill 8 hours. To bake, remove from refrigerator, and let stand at room temperature 30 minutes. Bake, covered, at 350° for 45 minutes. Uncover and sprinkle with 2 tablespoons Parmesan cheese. Bake, uncovered, an additional 10 minutes or until thoroughly heated.