Television-Inspired Retro Tuna Casserole

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A nostalgic tuna casserole with a creamy mushroom sauce and crispy breadcrumb topping, reminiscent of classic mid-20th century family dinners. This American-inspired comfort-food recipe, ready in about 50 minutes, pairs egg noodles, cooked tuna, butter for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 35 min Serves 6 American cuisine 420 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 350°F. Cook 12 oz egg noodles in salted boiling water for 7-8 minutes until just tender, then drain.
  2. Step 2: In a medium saucepan, melt 3 tbsp butter over medium heat. Whisk in 3 tbsp all-purpose flour and cook for 1 minute to form a roux.
  3. Step 3: Gradually whisk in 2 cups whole milk, stirring constantly until the sauce thickens and is smooth, about 4-5 minutes. Add 1 cup sliced mushrooms and cook until tender.
  4. Step 4: Stir in 14 oz drained canned tuna, 1 cup frozen peas, 1 tsp salt, and 1/2 tsp black pepper. Remove from heat and mix in drained noodles and 1 cup grated cheddar cheese.
  5. Step 5: Transfer mixture to a greased 9x13 inch baking dish. Toss 1 cup breadcrumbs with 2 tbsp olive oil and sprinkle evenly over the casserole.
  6. Step 6: Bake uncovered for 25-30 minutes until the top is golden brown and bubbly. Let rest 5 minutes before serving.

Frequently asked questions

How long does Television-Inspired Retro Tuna Casserole take to make?

Total time is about 50 minutes (15 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Television-Inspired Retro Tuna Casserole?

Refrigerate in a covered airtight container for up to 3–4 days (FDA FoodKeeper guideline for cooked fish). Store any fresh salsa or citrus-based garnish in a separate container — it keeps for up to 2 days. Freeze cooked fish (without fresh garnishes) for up to 3 months; thaw overnight in the fridge and reheat gently at 275°F until just warmed through to preserve texture.

Can I substitute ingredients in Television-Inspired Retro Tuna Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Television-Inspired Retro Tuna Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Television-Inspired Retro Tuna Casserole?

American comfort food like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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