Tuna Casserole
Old school, no shame, and genuinely delicious if you do it right. Tuna casserole gets a bad reputation because people think of sad cafeteria food or the version made entirely from canned soup and dry
Ingredients
- 8 ounces wide egg noodles
- 3 tablespoons butter
- 1 small onion (diced)
- 2 stalks celery (diced)
- 3 tablespoons all-purpose flour
- 2 cups whole milk
- 1.5 cups shredded sharp cheddar
- 2 (5-ounce) cans solid white albacore tuna (drained and flaked)
- 1 cup frozen peas
- 1/2 teaspoon garlic powder
- salt and pepper
For the topping
- 1/2 cup panko breadcrumbs
- 2 tablespoons melted butter
- 2 tablespoons grated Parmesan
Method
Step 1: Cook the noodles
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Boil egg noodles to just under al dente — about 2 minutes less than the package says. They’ll continue cooking in the oven. Drain and set aside.
Step 2: Build the cheese sauce
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Melt butter in a large saucepan over medium heat. Add onion and celery, cook until softened, about 4 minutes. Sprinkle flour over the vegetables and stir for 1-2 minutes. Slowly whisk in the milk. Cook, stirring frequently, until the sauce thickens enough to coat the back of a spoon — about 4-5 minutes. Remove from heat and stir in the cheddar until melted and smooth. Season with garlic powder, salt, and pepper.
Step 3: Combine and bake
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Preheat oven to 375°F. Fold the noodles, tuna, and peas into the cheese sauce. Transfer to a buttered 9×13 or 2-quart baking dish. Mix panko with melted butter and Parmesan, scatter over the top. Bake for 20-25 minutes until bubbly and the topping is golden brown.
Off the Galley Mike
Mike — Off The Galley
Six years as a Navy cook on submarines and destroyers, feeding 130 sailors from a galley the size of your bathroom. Now I cook the same big-flavor, no-nonsense food for my family of four — and share every recipe here. No culinary school. No fancy plating. Just real food that works, tested on the toughest critics afloat and the pickiest ones at home.
Tuna Casserole — Old School, No Shame, and Better Than You Remember
Old school, no shame, and genuinely delicious if you do it right. Tuna casserole gets a bad reputation because people think of sad cafeteria food or the version made entirely from canned soup and dry noodles. I’m here to tell you that done properly — with a real cheese sauce, quality tuna, and a crispy topping — this is legitimate comfort food that costs about $8 to feed a family of four.
On the submarine, canned tuna was always in the supply chain. When fresh protein ran low toward the end of a deployment, the galley got creative. Tuna casserole was one of those meals that proved you don’t need expensive ingredients to make something people actually want to eat. Same principle applies at home.
The Upgrade: Skip the Canned Soup
The traditional shortcut is cream of mushroom soup straight from the can. It works, and I won’t judge you for using it. But making a simple cheese sauce from scratch takes about 5 extra minutes and the difference in flavor is massive. A butter-and-flour roux with milk and sharp cheddar gives you a sauce that’s creamy, rich, and actually tastes like something — not like a can.
If you’re in a genuine time crunch, canned cream of mushroom works fine. Just add some extra shredded cheddar to boost the flavor.
Ingredients
8 ounces wide egg noodles, 3 tablespoons butter, 1 small onion (diced), 2 stalks celery (diced), 3 tablespoons all-purpose flour, 2 cups whole milk, 1.5 cups shredded sharp cheddar, 2 (5-ounce) cans solid white albacore tuna (drained and flaked), 1 cup frozen peas, 1/2 teaspoon garlic powder, salt and pepper.
For the topping: 1/2 cup panko breadcrumbs, 2 tablespoons melted butter, 2 tablespoons grated Parmesan.
How to Make It
1
1Cook the noodles
Boil egg noodles to just under al dente — about 2 minutes less than the package says. They’ll continue cooking in the oven. Drain and set aside.
2
2Build the cheese sauce
Melt butter in a large saucepan over medium heat. Add onion and celery, cook until softened, about 4 minutes. Sprinkle flour over the vegetables and stir for 1-2 minutes. Slowly whisk in the milk. Cook, stirring frequently, until the sauce thickens enough to coat the back of a spoon — about 4-5 minutes. Remove from heat and stir in the cheddar until melted and smooth. Season with garlic powder, salt, and pepper.
3
3Combine and bake
Preheat oven to 375°F. Fold the noodles, tuna, and peas into the cheese sauce. Transfer to a buttered 9×13 or 2-quart baking dish. Mix panko with melted butter and Parmesan, scatter over the top. Bake for 20-25 minutes until bubbly and the topping is golden brown.
Why Albacore Tuna
I use solid white albacore because it holds its shape in chunks rather than dissolving into the sauce. Chunk light tuna is cheaper but turns into shreds during mixing. If you want visible pieces of tuna in every bite, albacore is the way to go. Drain it well — excess water makes the casserole soggy.
The Peas Are Non-Negotiable
Every tuna casserole needs peas. They add color, sweetness, and a pop of texture that breaks up the creaminess. Frozen peas are better than canned — they’re firmer, brighter, and don’t get as mushy during baking. Just stir them in frozen; the oven will heat them through.
Topping Options
Panko with butter and Parmesan is my go-to, but there’s a whole world of tuna casserole toppings. Crushed Ritz crackers with melted butter is the nostalgic choice. Crushed potato chips give you a salty, crunchy crust. French fried onions (like green bean casserole) work surprisingly well. Pick your fighter.
Budget-Friendly Meal Planning
This recipe feeds 6 generously for under $8 in ingredients. That’s hard to beat for a satisfying hot dinner. It also reheats well, so leftovers make great lunches. Pack individual portions in containers and you’ve got 3-4 lunches handled.
This sits in the same budget-friendly comfort zone as meatloaf, sloppy joes, and Salisbury steak — cheap ingredients, big flavor, everybody eats.
Storage
Fridge for 3-4 days. Reheat with a splash of milk to loosen the sauce, which thickens as it sits. Freezes well for up to 3 months — freeze in an oven-safe dish, thaw overnight in the fridge, and bake until hot and bubbly.
The Submarine Pantry Philosophy
On a submarine, the galley doesn’t get resupplied until you pull into port. That means everything you cook for weeks — sometimes months — comes from what’s already on board. Canned goods, dried pasta, frozen vegetables, shelf-stable dairy. Tuna casserole was born from exactly this kind of constraint, and that’s what makes it such a great home recipe too.
Think about it — egg noodles in the pantry, canned tuna on the shelf, frozen peas in the freezer, butter and milk in the fridge. You can make this dinner any night without a grocery trip. That’s the kind of recipe that earns permanent rotation status. It’s not glamorous, but it’s reliable, affordable, and genuinely satisfying. Those are the three qualities that matter most in weeknight cooking, and tuna casserole delivers on all of them.
Variations
Mexican tuna casserole: Swap cheddar for pepper jack, add a diced jalapeño and a can of diced green chiles, use rotini instead of egg noodles. Top with crushed tortilla chips instead of panko.
Mushroom lover’s version: Add 8 ounces of sliced mushrooms sautéed with the onion and celery. The earthy mushroom flavor pairs perfectly with the tuna.
Broccoli and cheddar: Replace the peas with chopped broccoli florets. The broccoli-cheddar combination is always a winner.
Frequently Asked Questions
Can I make this ahead of time?
Assemble everything except the topping, cover, and refrigerate for up to 24 hours. Add the breadcrumb topping just before baking and add 5-10 minutes to the bake time.
Can I use a different pasta?
Shells, rotini, penne, and elbows all work great. Anything with curves or ridges that catches the sauce.
My casserole came out dry — what happened?
Either the noodles were overcooked before baking (they absorb too much sauce), or it baked too long. Use barely-cooked noodles and check it at the 20-minute mark.
Elevated Tuna Casserole
For a more sophisticated version, replace canned soup with a homemade white sauce (butter, flour, milk, seasoning), use oil-packed albacore tuna instead of water-packed chunk light, add sautéed mushrooms and peas, and top with panko breadcrumbs mixed with Parmesan and melted butter. This “adult” version respects the original concept while using better ingredients that produce a noticeably more refined result.
The Nostalgic Factor
Tuna casserole is comfort food in the truest sense — it doesn’t need to be gourmet to be good. The original version with Campbell’s cream of mushroom, egg noodles, canned tuna, and crushed potato chips on top is a legitimate American classic that’s been feeding families since the 1950s. Sometimes the simple version is exactly what you want, and no amount of Gruyère or truffle oil will improve it. Make both versions and let your mood decide.
Freezer Strategy
Assemble the casserole but don’t bake it. Cover tightly with foil and freeze for up to 3 months. To serve: thaw overnight in the fridge, then bake at 375°F for 35-40 minutes (add 10 minutes to the original bake time since it starts cold). The topping goes on before baking, not before freezing — frozen breadcrumbs get soggy.
More From Off The Galley
Classic Meatloaf · Chicken And Dumplings · Beef Pot Roast · Biscuits And Gravy · Copycat Quesadilla
Off the Galley Mike
Mike — Off The Galley
Six years as a Navy cook on submarines and destroyers, feeding 130 sailors from a galley the size of your bathroom. Now I cook the same big-flavor, no-nonsense food for my family of four — and share every recipe here. No culinary school. No fancy plating. Just real food that works, tested on the toughest critics afloat and the pickiest ones at home.