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Cheesy Broccoli Noodle Casserole

There is something wonderfully comforting about a bubbling casserole coming out of the oven, especially when it combines tender noodles, creamy cheese, and plenty of broccoli in one hearty dish. Cheesy Broccoli Noodle Casserole is an easy family-friendly meal that turns simple ingredients into a rich, satisfying dinner.

The noodles provide a soft, hearty base, while the broccoli adds color, texture, and a fresh vegetable element. Everything is coated in a creamy cheese sauce and finished with an extra layer of melted cheese that becomes beautifully golden in the oven.

This casserole is perfect for busy weeknights, potlucks, family gatherings, or those evenings when you want something cozy without spending hours in the kitchen. It can also be prepared ahead of time, making it especially convenient when you have a busy schedule.

Why You’ll Love This Casserole

This recipe has all the qualities of a great comfort-food dinner:

Creamy and cheesy: A smooth cheese sauce coats every noodle.
Easy to prepare: Most of the work happens before the casserole goes into the oven.
Family-friendly: Mild flavors and familiar ingredients make it appealing to both children and adults.
A complete meal: Pasta and broccoli make a satisfying combination, while optional chicken can add extra protein.
Great for leftovers: The casserole reheats well for lunch or another dinner.
Customizable: You can easily change the cheese, add protein, or include other vegetables.

Ingredients

For approximately 6 servings, you will need:

12 ounces egg noodles or wide noodles
4 cups broccoli florets, cut into bite-sized pieces
2 tablespoons butter
2 cloves garlic, finely minced
1 can (10.5 ounces) condensed cream of mushroom soup
1 cup sour cream
1 cup milk
1 teaspoon Dijon mustard
1 teaspoon onion powder
½ teaspoon garlic powder
½ teaspoon paprika
½ teaspoon salt, or to taste
¼ teaspoon black pepper
2 cups shredded cheddar cheese, divided
½ cup shredded mozzarella cheese
½ cup grated Parmesan cheese
½ cup breadcrumbs, optional

Optional Additions

To make the casserole more substantial, you can add:

2 cups cooked shredded chicken
1 cup diced ham
Cooked turkey
Sliced mushrooms
Diced bell peppers
Frozen peas
Caramelized onions
Crushed crackers instead of breadcrumbs

For a sharper flavor, replace some of the cheddar with sharp cheddar, Monterey Jack, or Colby cheese.

How to Make Cheesy Broccoli Noodle Casserole

Step 1: Prepare the Oven and Baking Dish

Preheat your oven to 375°F (190°C).

Lightly grease a 9-by-13-inch baking dish with butter or nonstick cooking spray. Greasing the dish prevents the noodles and cheese from sticking and makes serving much easier later.

Set the prepared baking dish aside while you prepare the casserole.

Step 2: Cook the Noodles

Bring a large pot of salted water to a boil.

Add the noodles and cook according to the package directions, but stop cooking them about one to two minutes before they reach full tenderness.

This is important because the noodles will continue cooking in the oven. Slightly undercooking them prevents the finished casserole from becoming mushy.

Once cooked, drain the noodles thoroughly.

Do not rinse them unless your package specifically recommends it. The small amount of starch left on the noodles helps the creamy sauce cling to them.

Set the noodles aside.

Step 3: Blanch the Broccoli

While the noodles are cooking, bring another pot of water to a gentle boil or use the same pot after removing the noodles.

Add the broccoli florets and cook for approximately 2–3 minutes, just until they become bright green and slightly tender.

Drain the broccoli immediately.

You want the broccoli to retain some firmness because it will cook again in the oven. Overcooking it at this stage can result in soft, watery vegetables in the finished casserole.

For an even easier method, you can steam the broccoli instead.