For a richer flavor, use heavy cream instead of milk. Add a splash of dry sherry to the sauce for extra depth. Use panko breadcrumbs for a crispier topping.
Best Tuna Noodle Casserole from Scratch
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PREP TIME20 mins
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COOK TIME50 mins
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TOTAL TIME1 hrs 10 mins
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SERVING4 People
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VIEWS10
Rediscover comfort with this from-scratch tuna noodle casserole, a delightful upgrade from the canned version. Though it requires a little extra effort, the homemade flavors are undeniably worth it. Consider using shredded turkey for a superb turkey tetrazzini variation!
Ingridients
Adjust Servings
Nutrition
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Carbohydrate73 g
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Cholesterol96 mg
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Fiber4 g
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Protein36 g
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Saturated Fat15 g
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Sodium564 mg
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Sugar13 g
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Fat25 g
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Unsaturated Fat0 g
Follow The Directions
01
Step
0 mins
Preheat the oven to 350 degrees F (175 degrees C). Lightly oil an ovenproof skillet and an 8x12-inch casserole dish. (Prep time: 5 minutes)
02
Step
9 mins
Place tuna in the prepared skillet and bake in the preheated oven until fish flakes easily with a fork, 8 to 10 minutes.
03
Step
8 mins
Fill a large saucepan with lightly salted water and bring to a rolling boil. Cook fettuccine at a boil until tender yet firm to the bite, about 8 minutes. Drain and set aside. (Cook time: 10 minutes)
04
Step
0 mins
Remove tuna from the oven; leave oven on.
05
Step
12 mins
Meanwhile, melt 3 tablespoons butter in a saucepan over medium heat. Cook onion and mushrooms until softened, stirring occasionally, 5 to 7 minutes. Stir in flour until blended. Add milk, bouillon concentrate, adobo seasoning, and black pepper. Cook, stirring constantly, until mixture is slightly thickened, about 5 minutes more. Remove sauce from heat and stir in Parmesan cheese. (Cook time: 15 minutes)
06
Step
0 mins
Place remaining butter in a medium-sized microwave-safe bowl and heat in the microwave until melted, about 30 seconds. Stir bread crumbs into melted butter and set aside. (Prep time: 2 minutes)
07
Step
0 mins
Add cooked fettuccine and flaked tuna to the cheese sauce and toss to combine. Transfer noodle mixture to the prepared casserole dish and top with torn bread.
08
Step
20 mins
Bake in the hot oven until golden brown, about 20 minutes.
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Mohamed Sauer
Jun 20, 2025A family favorite. It takes a little longer to make, but everyone loves it!
Savion Ferry
Jun 13, 2025I made this last night, and it was a hit! The homemade sauce is so much better than anything from a can.
Allison Dietrich
Jun 13, 2025I swapped the tuna for leftover turkey and it was incredible! Thanks for the inspiration!