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Classic tuna casserole baked with breadcrumbs and golden top

Tuna Casserole Recipe: Why It’s the Best Comfort Dish


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  • Author: Olivia
  • Total Time: 1 hour 15 minutes
  • Yield: 6 to 8 servings
  • Diet: Low Lactose

Description

This classic tuna casserole recipe is a comforting and creamy bake featuring tender egg noodles, hearty vegetables, flaky tuna, and a crisp panko-Parmesan topping. It’s perfect for family dinners and easy to make with pantry staples.


Ingredients

Scale
  • 2 tablespoons olive oil
  • 3/4 cup panko breadcrumbs
  • 1 1/4 teaspoons kosher salt, divided
  • 12 ounces dried wide egg noodles (about 9 cups)
  • 1 medium yellow onion, diced
  • 2 medium carrots, peeled and diced
  • 1 medium stalk celery, diced
  • 3 cloves garlic, minced
  • 1 small bunch fresh parsley (1/2 cup chopped leaves)
  • 2 (5- to 6-ounce) cans tuna, preferably oil-packed, drained and flaked
  • 1 ounce Parmesan cheese (1/2 cup freshly grated or 1/3 cup store-bought grated)
  • 4 tablespoons (1/2 stick) unsalted butter
  • 1/2 teaspoon freshly ground black pepper
  • 1/4 cup all-purpose flour
  • 2 cups low-sodium chicken broth
  • 2 cups whole or 2% milk
  • 1 tablespoon Dijon mustard
  • 1 cup frozen peas (do not thaw)


Instructions

  1. Preheat oven to 375℉ and position a rack in the center.
  2. Heat olive oil in a Dutch oven over medium heat. Add panko and 1/4 teaspoon salt. Stir until golden brown, 3–4 minutes. Transfer to a bowl and let cool.
  3. Wipe out the Dutch oven, fill with salted water, and bring to a boil. Add noodles and cook 3 minutes less than package directs. Drain and rinse the pot.
  4. Dice onion, carrots, and celery. Mince garlic. Chop parsley. Drain and flake tuna. Grate Parmesan and add to panko; mix.
  5. Melt butter in Dutch oven over medium heat. Add onion, carrots, celery, remaining salt, and pepper. Cook until onion is translucent, about 5 minutes.
  6. Add garlic; cook 30 seconds. Add flour and stir to coat vegetables; cook 1 minute.
  7. Pour in chicken broth, milk, and Dijon mustard. Stir and scrape the bottom. Simmer until thickened, 5–7 minutes.
  8. Remove from heat. Stir in parsley, tuna, and frozen peas. Mix in the noodles.
  9. Transfer mixture to a 9×13-inch baking dish. Spread evenly and top with the panko-Parmesan mixture.
  10. Bake 20–25 minutes, or until bubbling and golden brown on top.

Notes

  • Use oil-packed tuna for richer flavor.
  • Don’t thaw the peas beforehand—they’ll cook perfectly in the oven.
  • Substitute whole milk with 2% if desired.
  • Make ahead: Assemble and refrigerate for up to 1 day before baking.
  • Use fresh parsley for best flavor, but dried works in a pinch.
  • Prep Time: 25 minutes
  • Cook Time: 50 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 1/2 cups
  • Calories: 420
  • Sugar: 6g
  • Sodium: 780mg
  • Fat: 18g
  • Saturated Fat: 7g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 24g
  • Cholesterol: 50mg
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