French Onion Leftover Turkey Casserole


French Onion Leftover Turkey Casserole

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French Onion Leftover Turkey Casserole

The French Onion Leftover Turkey Casserole is a different way to use leftover turkey compared to the typical bland sandwiches. Pump up your next meal with this delicious dish that is a mix between turkey casserole, French onion soup and savory bread pudding. It will be like nothing else you've ever tasted before. Turkey, French onion soup, bread, cheese and herbs come together to create a truly unique dish with tons of flavor. This casserole is so versatile that it can be served for brunch, lunch or dinner.


Preparation Time20 min

Chilling Time15 min

Cooking Time45 min

Cooking Vessel Size2-quart baking dish


  • Vegetable cooking spray
  • 6 eggs
  • 1 can Campbell's Condensed French Onion Soup
  • 2 cups milk
  • 1 cup shredded Swiss cheese
  • 2 tablespoons chopped fresh thyme leaves or 2 teaspoons dried thyme leaves, crushed
  • 9 slices Pepperidge Farm Farmhouse Hearty White Bread, cut into cubes
  • 2 cups shredded or cubed cooked turkey


  1. Preheat the oven to 350 degrees F. Spray a 2-quart shallow baking dish with the cooking spray.

  2. Beat the eggs, soup, milk, 1/2 cup cheese and 1 tablespoon thyme in a large bowl with a fork or whisk. Add the bread cubes and turkey. Stir and press the bread cubes into the milk mixture to coat.

  3. Pour the bread mixture into the baking dish. Sprinkle with the remaining cheese and thyme. Let stand for 15 minutes.

  4. Bake for 45 minutes or until a knife inserted in the center comes out clean.

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This sounds amazing. French onion soup is one of my favorites, so making it into a casserole seems like a great meal idea!


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