Easy Cheddar Broccoli Casserole Recipe (Creamy & Cheesy)

Name: Easy Cheddar Broccoli Casserole Recipe (Creamy & Cheesy)
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Ingredients: 3 lbs broccoli florets ((fresh) (cut into bite-size pieces)); 1 onion ((thinly sliced)); 3 cloves garlic ((minced)); 3 tablespoons butter; 3 tablespoons flour; 1 ½ cups whole milk ((warmed)); ½ cup heavy cream; 1 teaspoon Dijon mustard; 1 teaspoon salt; ½ teaspoon black pepper; ½ teaspoon paprika ((optional, for a little color)); 2 cups sharp cheddar cheese ((shredded (divided))); ½ cup Parmesan cheese ((grated)); ¾ cup panko breadcrumbs; 2 tablespoons olive oil ((for topping))

Jump to Recipe Print Recipe

When I’m craving comfort food that’s easy, cheesy, and family-friendly, I always make this Easy Cheddar Broccoli Casserole Recipe (Creamy & Cheesy). It’s the perfect mix of tender broccoli, melty cheddar, and a creamy sauce that feels indulgent but is actually low carb, so I never feel guilty going back for seconds. I love serving it as a quick side for easy weeknight dinners, but it’s also one of my go-to holiday recipes—especially for Thanksgiving dinner and Christmas dinner, when everyone’s looking for that cozy, classic casserole recipe to share. This dish is simple, satisfying, and always a crowd-pleaser!

INGREDIENTS YOU’LL NEED

3 lbs fresh broccoli florets, cut into bite-size pieces – I like big, crisp florets that stay tender-crunchy after baking.
1 onion, thinly sliced – Adds a sweet, mellow flavor that blends into the creamy sauce.
3 cloves garlic, minced – A little garlic gives a warm, savory boost.
3 tablespoons butter – Rich and creamy, this is the start of the cheese sauce.
3 tablespoons all-purpose flour – Helps thicken the sauce so it clings to the broccoli.
1 ½ cups whole milk, warmed – Warm milk makes the sauce smooth without lumps.
½ cup heavy cream – For that extra silky texture and a little indulgence.
1 teaspoon Dijon mustard – Just a hint of tang to balance all the cheese.
1 teaspoon salt – Brings out the flavors of the veggies and cheese.
½ teaspoon black pepper – A gentle bite of spice.
½ teaspoon paprika (optional) – I use it for a touch of smoky color.
2 cups sharp cheddar cheese, shredded (divided) – Sharp cheddar melts beautifully and gives a bold, cheesy taste.
½ cup Parmesan cheese, grated – Adds a nutty, salty depth to the sauce.
Crunchy Topping
¾ cup panko breadcrumbs – Light and crisp, they bake into a golden crust.
2 tablespoons olive oil – Tossed with the panko to help it toast perfectly on top.

WHY I LOVE THIS RECIPE

Perfect for holidays and family dinners – This creamy broccoli casserole is a crowd-pleaser on any holiday table. The cheesy sauce and tender broccoli feel special enough for Thanksgiving or Christmas, but it’s still simple enough for a weeknight.
Low-carb option when you skip the panko topping – I love that I can leave off the breadcrumbs and still have a rich, low-carb broccoli bake that’s packed with flavor and fits into a lighter meal plan.
Easy to make with everyday ingredients – With fresh broccoli, a quick homemade cheese sauce, and a crunchy topping if you want it, this is an easy broccoli casserole I can throw together without stress—no canned soup required!

HOW TO PREPARE CHEESY BROCCOLI CASSEROLE?

Time needed: 45 minutes

Prep Broccoli:

If using fresh broccoli, blanch in salted boiling water for 2–3 minutes until bright green and slightly tender. Drain and set aside.
Make the Cream Sauce:

In a large skillet or saucepan, melt butter over medium heat. Add onion and cook 4–5 minutes until soft. Stir in garlic and cook 30 seconds. Sprinkle in flour and cook 1 minute, stirring constantly. Slowly whisk in warm milk and cream. Add Dijon, salt, pepper, and paprika. Cook until thickened, about 3–4 minutes.
Add Cheese:

Remove from heat and stir in 1 ½ cups cheddar and all the Parmesan until smooth.
Assemble:

Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish. Spread blanched broccoli in the dish. Pour cheese sauce over and toss gently to coat. Mix panko with olive oil and remaining ½ cup cheddar. Sprinkle over top.
Add the Panko Topping:

Mix panko with olive oil and the remaining ½ cup of cheddar. Sprinkle over top.
Bake:

Bake uncovered for 25–30 minutes, until bubbly and golden brown.

FAQ – FREQUENTLY ASKED QUESTIONS

Can I use frozen broccoli instead of fresh?

Yes! Just thaw it first and pat it dry so the casserole doesn’t get watery.

Do I need to blanch the broccoli before baking?

I always give it a quick 2–3 minute blanch in boiling water. It keeps the broccoli bright green and perfectly tender-crisp.

Can I make this casserole ahead of time?

Yep! I usually assemble everything (except the breadcrumb topping), cover it, and pop it in the fridge for up to a day. I sprinkle the topping on right before baking.

How do I make this recipe low-carb?

If I’m watching carbs, I just skip the panko or swap in crushed pork rinds or almond flour for a little crunch.

Substitutions & Variations

I love how flexible this recipe is, and I switch things up all the time depending on what’s in my fridge.

Cheese swaps: Sharp cheddar is my go-to, but Gruyère, Swiss, mozzarella, or even a mix of cheeses all melt beautifully.
Dairy changes: No heavy cream? I’ve used half-and-half or even all whole milk for a lighter sauce and it still comes out creamy.
Breadcrumb options: If I’m skipping carbs, I leave off the panko or use crushed pork rinds, almond flour, or even grated Parmesan for a low-carb crunch.
Extra veggies: Cauliflower, sliced carrots, or mushrooms taste amazing mixed in with the broccoli.

Cooking Tips & Tricks

Here are a few little things I’ve learned after making this casserole on repeat:

Blanch the broccoli first. Just 2–3 minutes in boiling water keeps it bright green and perfectly tender after baking.
Warm the milk. This helps the sauce stay silky without lumps.
Don’t overmix the cheese. Stir it in off the heat so it melts smoothly and doesn’t get grainy.
Golden topping secret. Toss the panko with olive oil and give it a quick broil at the end for extra crunch.

What to Serve With creamy broccoli casserole?

This creamy broccoli bake is such a versatile side dish. I serve it with roast chicken, baked salmon, or a holiday turkey. It’s perfect on a Thanksgiving table next to mashed potatoes and stuffing, but I also love it with a simple weeknight dinner like grilled pork chops. A fresh green salad or crusty bread rounds everything out.

How to Store & Reheat Leftovers

Leftovers keep really well. I cover the dish tightly and store it in the fridge for up to 4 days. To reheat, I cover it with foil and warm it in a 325°F oven for about 15–20 minutes, or I reheat a single serving in the microwave with a splash of milk so it stays creamy.

Can Leftovers Be Frozen?

Yes! Once the casserole is completely cool, I wrap portions in foil or place them in airtight containers and freeze for up to 2 months. To reheat, I thaw it overnight in the fridge and warm it covered in a 350°F oven until hot and bubbly.

LOOKING FOR MORE SIDE DISH RECIPES? TRY THESE!

The Best Zucchini Casserole Recipe

LongHorn Steakhouse Brussels Sprouts

Cinnamon Roasted Butternut Squash

Simple Garlic Herb Roasted Potatoes

Final Thoughts

This creamy broccoli casserole is an easy, cheesy side dish that works for holidays or simple weeknight dinners. It’s flexible, low-carb if you skip the panko, and always a hit at my table.

Have you tried it? Leave a comment and let me know how it turned out for you!

PLATE FULL OF CREAMY BROCCOLI CASSEROLE IN A RED SERVING PLATTER

Print Recipe