Save A comforting, classic American casserole featuring tender noodles, flaky tuna, creamy sauce, and a golden, crunchy onion topping.
This casserole has been a family favorite for years, bringing warmth and happiness to our dinners all season long.
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Ingredients
- Pasta: 340 g (12 oz) wide egg noodles
- Tuna & Vegetables: 2 cans (each 170 g/6 oz) tuna in water, drained, 1 cup (150 g) frozen peas, 1 cup (120 g) sliced button mushrooms (fresh or canned), 1 small onion, finely chopped
- Sauce: 2 tablespoons (30 g) unsalted butter, 2 tablespoons (16 g) all-purpose flour, 2 cups (480 ml) whole milk, 1 cup (240 ml) low-sodium chicken broth, 1 teaspoon Dijon mustard, ½ teaspoon garlic powder, ½ teaspoon salt, ¼ teaspoon black pepper
- Cheese & Topping: 1 cup (115 g) shredded sharp cheddar cheese, 1 cup (60 g) crispy fried onions (store-bought)
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Instructions
- Preheat Oven:
- Preheat the oven to 190°C (375°F). Grease a 23 x 33 cm (9 x 13 inch) baking dish.
- Cook Noodles:
- Cook the egg noodles in a large pot of salted boiling water until just al dente. Drain and set aside.
- Sauté Vegetables:
- In a large skillet, melt butter over medium heat. Add chopped onion and mushrooms; sauté for 4–5 minutes until softened.
- Add Flour:
- Sprinkle flour over the vegetables. Stir and cook for 1 minute.
- Make Sauce:
- Slowly whisk in the milk and chicken broth, stirring constantly. Bring to a simmer and cook until thickened, about 3–4 minutes.
- Season Sauce:
- Stir in Dijon mustard, garlic powder, salt, and pepper. Remove from heat.
- Combine Ingredients:
- In a large bowl, combine cooked noodles, sauce, drained tuna, peas, and half the cheddar cheese. Mix gently.
- Assemble Casserole:
- Pour the mixture into the prepared baking dish. Sprinkle with remaining cheddar cheese and top evenly with crispy fried onions.
- Bake:
- Bake uncovered for 25–30 minutes, or until bubbly and golden brown on top.
- Rest:
- Let rest for 5 minutes before serving.
Save This dish has brought my family together countless evenings, filling our home with warmth and delicious aromas worth savoring.
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Required Tools
Large pot, Skillet, Whisk, Mixing bowl, 9 x 13 inch baking dish, Oven
Allergen Information
Contains Eggs (noodles), Wheat/Gluten (noodles, flour, fried onions), Milk (butter, milk, cheese), Fish (tuna). Crispy fried onions may contain soy check packaging.
Nutritional Information
Per serving: Calories: 430, Total Fat: 16 g, Carbohydrates: 47 g, Protein: 27 g
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This classic casserole is sure to impress and comfort your loved ones with every bite.
Recipe FAQs
- → Can I use fresh onions instead of fried onions?
Yes, fresh onions can be sautéed for a softer texture, but frying adds a desirable crunch and flavor contrast to the topping.
- → Is it possible to substitute the tuna with another protein?
While tuna is traditional, flaky white fish or cooked chicken can be used for a similar texture and taste experience.
- → How can I make the sauce thicker?
Ensure that the butter and flour are well cooked to form a roux before gradually adding milk and broth; simmering until thickened will help achieve the right consistency.
- → What type of cheese works best for this dish?
Sharp cheddar provides a rich, tangy flavor that complements the creamy sauce and tuna, enhancing overall richness.
- → Can I prepare this casserole ahead of time?
Yes, assemble the casserole and refrigerate it covered for up to 24 hours before baking to maintain freshness and ease of serving.
