Tuna noodle casserole is a quintessential American midcentury comfort dish, a one-pan bake of tender egg noodles, flaked tuna, and sweet peas bound in a creamy sauce and crowned with a crunchy topping. This version skips the canned soup in favor of a quick homemade mushroom-cheese sauce, giving it fresher flavor and a silkier texture. A scatter of buttered breadcrumbs or crushed potato chips bakes to golden crispness, providing the textural contrast that makes the dish so satisfying. Economical, kid-friendly, and endlessly adaptable, it is the kind of weeknight casserole that has graced American dinner tables for generations. The trick is slightly undercooking the noodles so they finish in the oven without turning soft.
Serves 6
Boil the egg noodles 1-2 minutes short of al dente, then drain. They will finish cooking in the oven, so slightly underdone noodles prevent a mushy casserole.
Toss the drained noodles with a little butter to keep them from clumping.
Melt 2 tablespoons of butter in a saucepan and cook the mushrooms 5 minutes until they release their liquid and brown lightly, building a savory base for the sauce.
Sprinkle in the flour and cook 1 minute, then whisk in the milk gradually. Simmer 4-5 minutes until thickened, then stir in the cheddar until smooth and season with salt and pepper.
Add the milk slowly to keep the sauce lump-free.
Fold the noodles, drained tuna, and peas into the cheese sauce until everything is evenly coated. The mixture should be loose and creamy, since it firms up as it bakes.
Spread into a greased 9x13 dish. Toss the panko with the remaining melted butter and scatter over the top. Bake at 375F for 25-30 minutes until bubbly and golden brown.
Let the casserole rest 5-10 minutes after baking so the sauce sets and portions cleanly. Serve warm, garnished with parsley if desired.
Undercook the noodles slightly so they do not turn mushy in the oven.
A homemade cheese sauce beats canned soup for flavor and texture.
Use crushed potato chips instead of panko for a nostalgic crunchy top.
Let the casserole rest before serving so it sets and cuts neatly.
Add a cup of sauteed celery and onion for more texture and flavor.
Stir in a tablespoon of Dijon or a squeeze of lemon to brighten the sauce.
Use crushed crackers or fried onions for the topping.
Swap canned salmon or rotisserie chicken for the tuna.
Refrigerate covered up to 4 days and reheat in the oven to keep the topping crisp. The casserole can be assembled ahead and refrigerated unbaked overnight, or frozen baked for up to 2 months.
Tuna noodle casserole rose to popularity in mid-20th-century America, propelled by the convenience of canned tuna and condensed soup. It became an emblem of postwar home cooking, valued as an affordable, pantry-friendly meal. Though often made with canned soup, the dish predates it, with creamed tuna and noodle recipes appearing in early 1900s cookbooks.
Absolutely, and many cooks prefer it. A quick homemade sauce of butter, flour, and milk, enriched with cheese and sauteed mushrooms, replaces condensed soup with fresher flavor and a smoother texture. It takes only a few extra minutes and lets you control the salt and seasoning. This recipe uses that scratch method for a noticeably better result.
Dryness usually comes from overcooked noodles soaking up too much sauce, or not enough liquid to begin with. Undercook the noodles slightly so they absorb sauce in the oven without becoming saturated, and make the filling looser and creamier than you think it needs to be, since it thickens as it bakes and again as it rests.
If you dislike mushrooms, simply leave them out and make the sauce with the butter and flour alone, or add diced celery, onion, or roasted red pepper for flavor and texture. You can also stir in extra peas or some chopped broccoli. The casserole is forgiving, so substitute whatever vegetables you enjoy and have on hand.
Yes. You can freeze it baked or unbaked for up to two months. For best results, freeze it without the breadcrumb topping, adding that fresh before reheating so it stays crisp. Thaw in the refrigerator overnight, then bake until hot and bubbly. The noodles soften slightly after freezing but the dish remains tasty and convenient.
Per serving (320g / 11.3 oz) · 6 servings total
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