Cheesy Comfort in Every Bite: Tuna Noodle Casserole with Broccoli and Cheddar

Written by Sarah Gardner

If you're craving something cozy, nostalgic, and just a little bit grown-up, this Tuna Noodle Casserole with Broccoli and Cheddar might be your new weeknight favorite. This isn't your grandma's casserole—though we do love her dearly—but rather a creamy, cheesy, and veggie-packed twist on the classic. Think of it as the Best Tuna Noodle Casserole gone gourmet: tender egg noodles folded into a velvety homemade cheddar sauce, with flaked tuna and crisp-tender broccoli in every bite. It’s comfort food that feels just a little more grown-up, but still gives you that old-school satisfaction. Whether you're into the classic Stove Top Tuna Noodle Casserole vibe or hunting for a Tuna Noodle Casserole From Scratch, this recipe delivers big flavor with simple ingredients.

Ingredient Spotlight: Why Fresh Broccoli Makes a Difference

When it comes to making the best Tuna Noodle Casserole, using fresh broccoli instead of frozen can make a surprising difference. Fresh broccoli brings a vibrant color, tender-crisp texture, and bright, slightly sweet flavor that frozen varieties often lack. Blanching the broccoli for just a minute or two keeps it from becoming mushy during baking while locking in its natural green color. If you're short on time, frozen broccoli is a fine substitute—just be sure to thaw it completely and pat it dry to avoid watering down your creamy sauce. But whenever possible, reaching for fresh broccoli elevates the entire dish from everyday casserole to dinner-party worthy.

Choosing the Best Tuna: Oil-Packed vs. Water-Packed

The type of canned tuna you choose can change the entire personality of your casserole. Water-packed tuna is a classic pick for a lighter, cleaner flavor that lets the cheese and broccoli shine. It's lower in calories and a good choice if you’re aiming for a slightly healthier casserole.

On the other hand, oil-packed tuna delivers a richer, more luxurious taste with a melt-in-your-mouth texture. It’s especially delicious if you're after a more decadent, gourmet take on Tuna Noodle Casserole. Just remember to drain whichever tuna you use thoroughly to avoid excess moisture in the final dish. Solid white albacore gives a firmer bite, while chunk light tuna blends in a bit more, creating a softer, more integrated texture throughout the casserole.

Cheddar Cheese 101: Sharp vs. Mild for Casseroles

Cheddar cheese is the heart of the sauce in this casserole, and the type you pick matters. Sharp cheddar brings bold, tangy flavor that cuts beautifully through the creamy base and complements the mild tuna and broccoli. It creates a more "grown-up" flavor profile that's complex and satisfying.

Mild cheddar, on the other hand, melts a little more smoothly and offers a softer, subtler taste, making it a great option if you’re cooking for younger eaters or anyone who prefers a milder casserole. You can even mix sharp and mild cheddar for the best of both worlds. Want to get even fancier? Try blending in a little Gruyère for nuttiness or Monterey Jack for an extra melty, creamy finish.

Tip: Always shred your cheese from a block when possible. Pre-shredded cheese often contains anti-caking agents that can prevent your sauce from turning silky-smooth.

Breadcrumb Topping Tips: Getting That Golden Crunch

A crunchy, golden breadcrumb topping transforms this casserole from simply cozy to completely irresistible. If you love that toasty finish, here’s how to get it just right:

  • Panko breadcrumbs offer the crunchiest topping thanks to their larger, airy texture.
  • Seasoned Italian breadcrumbs add a subtle herby flavor that pairs beautifully with the cheesy sauce.
  • Homemade fresh breadcrumbs (made by pulsing day-old bread) give the topping a rustic, hearty feel.

Before baking, lightly toss the breadcrumbs with a drizzle of olive oil or a few spritzes of cooking spray. This helps them crisp up without drying out the casserole underneath. For even more flavor, you can mix a little grated Parmesan into the breadcrumbs before sprinkling them over the top.

Tuna Noodle Casserole with Broccoli and Cheddar

Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Main Course
Cuisine American
Servings 6

Equipment

  • Large pot For boiling noodles and blanching broccoli
  • Medium saucepan To make the cheese sauce
  • Mixing bowl To combine all the components
  • 9x13 baking dish For the final bake. If you don’t have one, a deep roasting pan works in a pinch
  • Whisk and spatula Essential for that smooth, creamy sauce
  • Colander For draining noodles and broccoli

Ingredients
  

  • Egg noodles – 12 oz cooked al dente. Wide or medium work best.
  • Canned tuna – Two 5 oz cans drained. Opt for tuna in water for a lighter option, or oil-packed for richer flavor.
  • Fresh broccoli florets – 2 cups cut small so they cook evenly.
  • Cheddar cheese – 2 cups shredded. Sharp cheddar adds great depth.
  • Whole milk – 2 cups. You can sub with 2% or oat milk for a Tuna Noodle Casserole Healthy angle.
  • Unsalted butter – 4 tablespoons
  • All-purpose flour – 1/4 cup
  • Garlic powder – 1/2 teaspoon
  • Onion powder – 1/2 teaspoon
  • Salt and pepper – To taste
  • Breadcrumbs optional – 1/2 cup, for a crispy topping
  • Olive oil or spray – To coat the baking dish and top crumbs

Instructions
 

Preheat your oven

  1. to 375°F. Lightly grease your baking dish with oil or spray.

Boil the noodles

  1. in salted water until just al dente. During the last 2 minutes, toss in the broccoli to blanch. Drain and set aside.

Make the cheese sauce:

  1. In a saucepan over medium heat, melt the butter. Whisk in the flour to make a roux, cooking for about 2 minutes until golden. Slowly whisk in the milk and bring to a simmer. Stir in garlic powder, onion powder, salt, and pepper. Once thickened, fold in 1 1/2 cups of shredded cheddar until melted and smooth.

Assemble the casserole

  1. In a large bowl, combine the noodles, broccoli, tuna, and cheese sauce. Gently stir to coat everything evenly.

Transfer to your baking dish

  1. spreading it evenly. Sprinkle remaining 1/2 cup cheddar over the top, and finish with breadcrumbs if using.

Bake

  1. for 25–30 minutes, until bubbly and golden on top. Let it rest for 5 minutes before serving.

Pairings

This Creamy Tuna Noodle Casserole is rich and savory, so pair it with something fresh and acidic to balance it out. A simple green salad with lemon vinaigrette or a side of roasted cherry tomatoes does the trick beautifully. If you're sipping, a chilled glass of Sauvignon Blanc or a light lager cuts through the creaminess perfectly.

How to Make It a Healthier Tuna Noodle Casserole

Craving the comfort but looking for a lighter version? It's surprisingly easy to make this Tuna Noodle Casserole a bit healthier without sacrificing the cozy, cheesy satisfaction:

  • Use whole-wheat egg noodles for more fiber and a heartier bite.
  • Swap whole milk for 2% or unsweetened oat milk if you're aiming to cut calories or avoid dairy.
  • Lighten up the cheese by using reduced-fat sharp cheddar (but avoid fat-free, which doesn’t melt well).
  • Bulk up the veggies by adding extra broccoli, spinach, or peas to increase the nutritional value.
  • Skip or lighten the breadcrumb topping, or opt for a sprinkle of finely crushed almonds for a low-carb crunch.

These small tweaks make it easy to enjoy this nostalgic dish even on a health-focused meal plan.

Storing, Freezing, and Reheating Tips

One of the best things about Tuna Noodle Casserole is how well it stores and reheats, making it perfect for meal prep or busy nights.

  • To store: Cover leftovers tightly and refrigerate for up to 4 days.
  • To freeze: Assemble the casserole but don’t bake it. Cover tightly with plastic wrap and foil, then freeze for up to 2 months. You can also freeze baked leftovers in individual portions for easy lunches.
  • To reheat: Thaw overnight in the fridge if frozen. To keep the casserole creamy, add a splash of milk before reheating. Cover with foil and bake at 350°F for about 20–25 minutes, or microwave individual portions for 2–3 minutes, stirring halfway through.

Freezing before baking often gives the best texture when reheated, but either way, this casserole holds up beautifully.

Common Mistakes to Avoid When Making Tuna Noodle Casserole

Even a simple, nostalgic dish like Tuna Noodle Casserole can go sideways if you’re not careful. Here’s how to avoid the most common pitfalls:

  • Overcooking the noodles: Remember that the noodles will continue cooking while baking. Boil just to al dente, or even 30 seconds shy.
  • Skipping the roux step: Don’t rush the butter-and-flour base! A well-made roux is key to a smooth, velvety sauce.
  • Not seasoning enough: The casserole needs enough salt, pepper, garlic powder, and onion powder to balance the richness. Taste the sauce before combining it with the noodles.
  • Using watery tuna or broccoli: Drain the tuna well and dry thawed broccoli thoroughly to avoid a soggy casserole.
  • Overbaking: Bake just until the casserole is heated through and bubbly around the edges. Overbaking dries it out and makes it heavy.

Master these basics, and you’ll have a perfect, crave-worthy casserole every time!

FAQs

1. What type of tuna works best?

Solid white albacore tuna holds its texture best, but chunk light tuna works well too—especially if you're going for a Tuna Noodle Casserole Easy approach.

2. Can I use frozen broccoli?

Absolutely! Just thaw and pat it dry before mixing it in. It’s a great shortcut for a Tuna Noodle Casserole Healthy variation.

3. Is it possible to skip the baking and just make a stove-top version?

Yep! Skip the breadcrumbs and transfer everything back to the pot after mixing. Stir until heated through, and serve straight from the stove—classic Stove Top Tuna Noodle Casserole style.

4. Can I make it ahead?

Yes! Prep the entire casserole, cover, and refrigerate up to 24 hours before baking. You can also freeze it (unbaked or baked) for up to 2 months. Just let it thaw overnight in the fridge before reheating.

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