Tuna Noodle Nicoise Casserole

Recipe by Manami
READY IN: 1hr 5mins




  • Cook egg noodles according to package directions, adding green beans to the cooking water during the last 3 minutes of cooking time.
  • Drain and rinse thoroughly with cold water to stop the cooking process.
  • Melt butter in a large Dutch oven over medium-high heat.
  • Add flour, and cook, whisking constantly, 1 minute.
  • Slowly whisk in milk, and cook, whisking constantly, about 5 minutes or until mixture comes to a boil and thickens.
  • Remove from heat, and slowly whisk in 1 cup Parmesan, whisking until smooth.
  • Whisk in salt, red pepper flakes, and white pepper.
  • Add noodles and green beans, parsley, tuna, capers, grated onion(if using) and, if desired, olives; gently toss to mix well.
  • Add tomato, and gently toss to combine.
  • Preheat to 375ºF.
  • Transfer mixture to an 11- x 7-inch (1 1/2-quart) baking dish coated with cooking spray.
  • Cover and refrigerate overnight, or sprinkle remaining 1/4 cup Parmesan over casserole, and bake for 30 minutes or until bubbly and heated through.
  • Let stand 5 minutes before serving.