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The Recipe · No.602 · Tuna Noodle Casserole

Tuna Noodle Casserole, and where to source it

Tuna Noodle Casserole — 5best2buy.com 5BEST2BUY.COM Tuna Noodle Casserole American 5best2buy.com

Good tinned tuna packed in olive oil holds together in meaty flakes instead of dissolving into mush, and a real bechamel with sauteed mushrooms beats the canned-soup version by a mile. Pull the noodles two minutes short of the package time. They keep drinking up sauce in the oven and turn soft fast if you cook them all the way first.

By Vince Gonzalez · Published July 2026 · Sourcing verified 5 Jul 2026

Prep15 min
Cook30 min
Makes6 servings
CuisineAmerican
Cost$$$
Contains  dairy · eggs · gluten · fish
Make it gluten-free: swap in a gluten-free pasta or noodle (check the other labels too).
The Ingredients — and where to get them
Cook for 6 servings
Tinned tuna in olive oil
Oil-packed tuna stays moist and flakes into real chunks instead of powdery shreds.
3 cans (5 oz)
Wide egg noodles
Sturdy noodles hold their shape through the bake where thin pasta turns to paste.
12 oz
Cremini mushrooms
Fresh mushrooms sauteed down give the sauce its savory backbone.
8 oz
Whole milk
Whole milk builds a sauce rich enough to carry the fish without cream.
2.5 cups
Butter
Butter and flour make the roux that thickens the whole dish.
4 tbsp
All-purpose flour
Just enough flour to set the sauce so it slices instead of running.
1/4 cup
Breadcrumbs
A coarse crumb top crisps into the contrast the soft casserole needs.
1 cup
Onion and celery
Diced small, they build the aromatic base for the sauce.
1 cup total
The Rundown
Greedometer ●●●●● Barely a splurge
A light hand — your arteries say thanks.
EffortSome doing
Cook it with
Instant PotSlow cookerOne-pot
The Method
  1. Boil the noodlesCook egg noodles in salted water two minutes shy of the box time, then drain; they finish cooking in the oven.
  2. Sweat and brownSaute diced onion and celery in butter until soft, add the mushrooms, and cook until their liquid evaporates and they brown, about 8 minutes.
  3. Build the sauceStir in the flour and cook 2 minutes, then whisk in the milk and simmer until it coats a spoon, about 5 minutes.
  4. CombineFold in the drained tuna, noodles, and a cup of peas off the heat, then scrape into a buttered 9x13 dish.
  5. Top and bakeScatter buttered breadcrumbs over the top and bake at 375F for 25-30 minutes until bubbling at the edges and golden on top.
The Toolkit

9x13 baking dish · Large pot · Whisk · Colander

Straight Answers
Can you make Tuna Noodle Casserole in an air fryer? — Yes, with an insert

Not on its own — an air fryer can’t hold a pool of liquid. You can simmer it in an oven-safe dish or a silicone insert made to fit the basket, but the broth won’t reduce or brown the way it does on the stove, and that insert comes out scorching, so use oven mitts. For real depth, a pot on the stove wins.

Can you freeze Tuna Noodle Casserole? — Yes

Yes — it freezes well. Cool it fully, portion into airtight containers, and it keeps a few months; thaw in the fridge and reheat gently.

Can you make Tuna Noodle Casserole ahead of time? — Yes

Yes — it holds well and often tastes better the next day. Make it ahead and reheat gently before serving.

Is Tuna Noodle Casserole gluten-free? — Not as written

Not as written — it contains gluten. Make it gluten-free: swap in a gluten-free pasta or noodle (check the other labels too).

Is Tuna Noodle Casserole vegan? — No

No — it contains seafood, so it isn’t vegetarian or vegan.

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