Creamy Tuna Tetrazzini for Cozy Family Dinners

Enjoy a comforting, budget-friendly Tuna Tetrazzini featuring creamy sauce and savory flavors, perfect for family dinners.

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Prep Time 15

Cook Time 30

Resting Time 10

Total Time 55

Servings: 6 servings

Course: Dinner

Cuisine: American

Calories: 450

Ingredients Equipment Method Nutrition Notes

Ingredients

For the Pasta

8 oz Spaghetti Choose a high-quality brand

For the Sauce

2 tbsp Butter Unsalted for flavor control
1 medium Red Onion Finely diced
8 oz Mushrooms Sliced cremini or white button
2 cloves Garlic Freshly pressed or minced
2 tbsp Flour For thickening the sauce
2 cups Milk Whole milk preferred

For the Filling

2 cans Tuna Canned in olive oil, drained
1 cup Peas Frozen

For the Topping

1 cup Breadcrumbs For crispy topping

Equipment

Large Pot
Skillet
Baking dish

Method

Step‑by‑Step Instructions for Tuna Tetrazzini

Boil the spaghetti in salted water until al dente, then drain.
Sauté the onions in butter until soft and translucent.
Add mushrooms and cook until golden brown and moisture is released.
Incorporate garlic and cook until fragrant, then add flour and stir.
Gradually whisk in milk, cooking until the sauce thickens.
Fold in tuna and peas, then add cooked spaghetti and mix well.
Transfer to a greased baking dish, sprinkle with breadcrumbs.
Bake in preheated oven at 350°F for about 15 minutes until golden.
Let it rest for 5-10 minutes before serving.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 55gProtein: 30gFat: 15gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 35mgSodium: 600mgPotassium: 400mgFiber: 4gSugar: 3gVitamin A: 10IUVitamin C: 15mgCalcium: 20mgIron: 10mg

Notes

For extra flavor, add red pepper flakes or mix Parmesan into the breadcrumbs.

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