Before you cook
Background Recipe story & origin
Tuna noodle casserole is a quintessential product of American resourcefulness, emerging in the 1930s during the Great Depression when families needed to stretch every dollar at the dinner table. Canned tuna had been commercially available since the early 1900s, but it was during the Depression and World War II rationing era that it truly became a pantry staple. Affordable, shelf-stable, and protein-rich, canned tuna was the perfect centerpiece for a filling, economical meal. Home economists, food companies, and women's magazines enthusiastically promoted casserole cooking as a smart, modern way to feed a family, and tuna noodle casserole quickly became one of the most popular examples of the genre.nnThe dish's rise was turbocharged by the food industry itself. Campbell's Soup Company played a pivotal role in cementing the recipe when it began printing a version using its Cream of Mushroom soup on can labels in the 1940s and 50s. That single ingredient — condensed cream of mushroom soup — became the dish's defining shortcut, replacing the need for a made-from-scratch béchamel sauce and making the casserole accessible to even the most novice cook. Egg noodles, frozen peas, and a crunchy breadcrumb or crushed cracker topping rounded out the formula that millions of American families came to know by heart.nnBy the 1950s and 60s, tuna noodle casserole had become a fixture of suburban American life — a reliable weeknight dinner, a church potluck staple, and a comfort food passed down through generations. Though it fell somewhat out of fashion during the gourmet food movements of later decades, it has enjoyed repeated waves of nostalgic revival. Today, cooks both honor the original pantry-friendly classic and reinvent it with fresh ingredients, artisan cheeses, and homemade sauces — a testament to a humble dish that has proven remarkably hard to improve upon.
Safety Safety & allergen notes
- Boiling water and steam from the pasta pot can cause severe burns—keep hands and face away from the pot rim and use a lid if available
- Use pot holders or oven mitts when handling the hot baking dish during filling and removal from the oven
- The casserole will be extremely hot when removed from the oven—allow it to rest for 5 minutes before serving to prevent mouth and throat burns
- When melting butter for the breadcrumb topping, use low to medium heat to prevent splattering and burns
- Keep knife fingers curled when dicing onion, celery, and mincing garlic to avoid cuts
Non-negotiables Rules for success
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Undercook the noodles by 2 minutes during boiling
Noodles continue cooking in the oven; fully cooked noodles will become mushy and fall apart, resulting in a soupy, broken-down casserole texture
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Fold noodles gently into the sauce rather than stirring vigorously
Rough mixing breaks the noodles into pieces and creates a paste-like consistency instead of distinct noodles throughout the casserole
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Bake uncovered until edges bubble and topping turns golden brown
Covering traps steam that prevents the topping from crisping; underbaking leaves the sauce thin and soupy instead of creamy and set
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Let casserole rest for 5 minutes after baking before serving
Resting allows the sauce to thicken and set, making portions hold together cleanly; cutting immediately causes the casserole to fall apart and lose structure
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Drain tuna thoroughly and flake completely before mixing
Excess liquid dilutes the sauce and creates a watery casserole; large chunks create uneven texture and don't blend with other ingredients
Prep Get set first
About 8 min of prep
- Preheat oven to 375°F and grease 9x13-inch baking dish
- Gather all ingredients and measure out dry goods
- Set up large pot, large skillet, and large mixing bowl
- Have colander, whisk, wooden spoon, and can opener ready
- Prep knife and cutting board for dicing onion, celery, and garlic
This casserole involves multiple prep steps and cooking stages, so expect about 50 minutes total from start to table.
Ingredients
Instructions
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Preheat oven and prepare baking dish
Preheat your oven to 375°F (190°C) and lightly grease a 9x13-inch baking dish with nonstick cooking spray or butter.
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Cook the egg noodles
Bring a large pot of salted water to a boil. Cook the egg noodles according to package directions, but reduce the cooking time by 2 minutes so they are just underdone — they will finish cooking in the oven. Drain the noodles and set aside.
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Sauté the aromatics
While the noodles cook, finely dice the yellow onion and celery, and mince the garlic. Melt 2 tablespoons of butter in a large skillet over medium heat. Add the onion and celery and sauté for 4 to 5 minutes until softened. Add the garlic and cook for 1 more minute, stirring constantly, until fragrant.
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Prepare the tuna
Drain the tuna cans thoroughly and flake the tuna with a fork, removing any large chunks.
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Mix the sauce
In a large mixing bowl, whisk together the cream of mushroom soup, sour cream, and milk until smooth and well combined.
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Combine the filling
Add the sautéed vegetables, flaked tuna, frozen peas, 1 cup of shredded cheddar cheese, Worcestershire sauce, onion powder, garlic powder, salt, and pepper to the bowl. Stir to combine.
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Fold in the noodles
Add the drained egg noodles to the bowl and fold everything together gently until the noodles are evenly coated in the sauce.
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Fill the baking dish
Transfer the mixture to the prepared baking dish and spread it into an even layer.
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Prepare the breadcrumb topping
Melt 3 tablespoons of butter in a small bowl or saucepan. Add the breadcrumbs and stir until evenly coated. Mix in the remaining 0.5 cup of shredded cheddar cheese.
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Top the casserole
Sprinkle the breadcrumb and cheese topping evenly over the entire surface of the casserole.
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Bake the casserole
Bake uncovered in the preheated oven for 25 to 30 minutes, until the casserole is bubbling around the edges and the topping is golden brown.
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Rest before serving
Remove from the oven and allow the casserole to rest for 5 minutes before serving. This helps the sauce set slightly for easier portioning.
Chef's notes
Cover tightly with plastic wrap or transfer to an airtight container and refrigerate for up to 3 days before serving.
The casserole can be fully assembled and refrigerated (unbaked) up to 24 hours in advance. Add the breadcrumb topping just before baking.
Add 1 cup of sliced mushrooms sautéed with the onion and celery, or substitute the frozen peas with frozen mixed vegetables for added color and nutrition.
Serve alongside a simple green salad or steamed broccoli to round out the meal.
Tomorrow's Meal
Crispy Tuna Noodle Cakes
Cold casserole pressed into patties, pan-fried until golden and crunchy outside with creamy center
You'll need to pick up:
Quick overview:
- Cut cold casserole into 3-inch square portions
- Press each portion firmly into a patty about 1/2-inch thick
- Heat 1/4 inch oil in skillet to 350°F
- Fry patties 3-4 minutes per side until golden brown and crispy
- Drain on paper towels, serve hot with lemon and fresh parsley