You know those dishes that just feel like a hug? This cheesy broccoli casserole is mine. After years of tweaking recipes (and feeding picky toddlers), I’ve landed on the perfect creamy, crunchy, veggie-packed version that disappears every time. It’s the side dish I bring to potlucks when I need guaranteed compliments, and the one my kids actually beg for seconds of.
The magic’s in the simplicity – fresh broccoli gets cozy with a silky cheese sauce, then bakes until bubbly with that irresistible golden crust. I’ve made this hundreds of times since my college days (when “cooking” meant microwaving ramen), and trust me – if I can master it, anyone can. It’s the kind of recipe you’ll scribble on a stained index card and pass down someday.
Why You’ll Love This Cheesy Broccoli Casserole
This isn’t just another casserole – it’s the one you’ll keep coming back to week after week. Here’s why:
- Effortless comfort food: With just 10 simple ingredients and one baking dish, you’re 35 minutes away from pure cozy goodness.
- Creamy dreamy texture: That velvety cheese sauce coats every floret perfectly – no dry spots here!
- Stealthy veggie win: Even broccoli skeptics (looking at you, kids!) can’t resist when it’s this cheesy.
- Shape-shifter supreme: Serve it as a side tonight, pack leftovers for lunch tomorrow, or add protein to make it a main.
- Crowd-pleasing magic: Equally at home on weeknight dinner tables and holiday buffets.
I’ve watched this dish convert vegetable haters and impress food snobs alike – that’s the power of good cheese and perfectly cooked broccoli!
Cheesy Broccoli Casserole Ingredients
Here’s what you’ll need to make this cozy dish come together:
- 4 cups fresh broccoli florets – cut into bite-sized pieces for even cooking
- 2 cups shredded cheddar cheese – sharp cheddar works best for that bold flavor
- 1 cup milk – whole milk makes the sauce extra creamy
- 1/2 cup sour cream – adds a tangy richness to the sauce
- 1/4 cup butter – melted and ready for that roux
- 1/4 cup all-purpose flour – for thickening the sauce
- 1/2 teaspoon salt – just enough to balance the flavors
- 1/4 teaspoon black pepper – a little kick never hurts
- 1/2 cup breadcrumbs – for that golden, crunchy topping
That’s it! Simple, fresh, and totally worth it.

How to Make Cheesy Broccoli Casserole
Okay, let’s turn these simple ingredients into pure comfort food magic! I’ve made this so many times I could probably do it in my sleep, but I’ll walk you through each step so yours turns out perfectly on the first try.
Preparing the Broccoli
First things first – let’s tackle the broccoli. You’ll want to steam those vibrant green florets just until they’re tender-crisp, about 5 minutes. No mushy broccoli allowed here! I usually do this in a steamer basket over boiling water, but microwaving in a bowl with a splash of water works in a pinch. The key is to drain them really well afterwards – I’ll even pat them dry with a paper towel to prevent any water from making our casserole soggy.
Making the Cheese Sauce
Now for the good stuff – that luscious cheese sauce! Melt your butter in a saucepan over medium heat, then whisk in the flour. Keep whisking for about a minute until it smells nice and toasty – this is your roux, the magic thickener. Slowly pour in the milk while whisking constantly (I mean it – no stopping!) to prevent lumps. Keep stirring until it thickens enough to coat the back of a spoon, about 3-4 minutes. Then take it off the heat and stir in the sour cream, salt, and pepper. The sauce will look gloriously smooth and creamy!
Assembling and Baking
Here’s where it all comes together beautifully. In a big bowl, gently mix your steamed broccoli with that gorgeous cheese sauce and half of your shredded cheddar. Pour this cheesy broccoli goodness into your baking dish, then sprinkle the remaining cheese on top like a cozy blanket. Finish with a sprinkle of breadcrumbs for that perfect golden crunch. Pop it in the oven at 350°F for about 20 minutes – you’ll know it’s ready when the edges are bubbly and the top turns a beautiful golden brown. Try to wait 5 minutes before digging in… if you can!

Tips for Perfect Cheesy Broccoli Casserole
After burning a few trays and serving some sad, soggy versions, I’ve learned these tricks that make all the difference:
- Fresh is best, but frozen works too: If you must use frozen broccoli, thaw and squeeze out ALL the water – wet broccoli equals a watery casserole disaster!
- The golden window: Bake just until bubbly at the edges (about 20 minutes) – any longer and your beautiful cheese sauce starts separating.
- Cheese emergency option: Feeling indulgent? Double the cheddar (I won’t tell) or mix in some gruyère for extra nutty goodness.
- Crunch control: If your breadcrumbs aren’t browning enough, hit it with 1 minute under the broiler – just don’t blink or it’ll burn!
Trust me, these little details take this from “good” to “where’s the recipe?!” territory.
Cheesy Broccoli Casserole Variations
One of my favorite things about this recipe is how easily it adapts to whatever’s in your fridge or dietary needs! Here are some delicious twists I’ve tried over the years:
- Meat lovers: Toss in diced ham or crispy bacon for protein-packed goodness
- Veggie swap: Cauliflower works beautifully instead of broccoli (or do half-and-half)
- Gluten-free: Use cornstarch instead of flour, and gluten-free breadcrumbs or crushed crackers for topping
- Spice it up: A dash of cayenne or smoked paprika gives it a nice kick
The basic recipe is just the starting point – make it your own!
Serving Suggestions for Cheesy Broccoli Casserole
Honestly? I’ve eaten this straight from the baking dish with a spoon (no judgment!), but here’s how to make it shine at any meal:
- Classic comfort combo: Pair with juicy roasted chicken or baked ham for Sunday supper perfection
- Holiday hero: It’s the creamy green veggie side that disappears fastest at Thanksgiving
- Meatless Monday star: Serve over rice or with crusty bread for a vegetarian main that satisfies
Pro tip: Bring leftovers to potlucks cold – it reheats beautifully in any microwave!
Storing and Reheating Cheesy Broccoli Casserole
Here’s the beautiful thing about this casserole – it might taste even better the next day! Store any leftovers (if you’re lucky enough to have any) in an airtight container in the fridge for up to 3 days. When reheating, I always go for the oven at 350°F for about 15 minutes to keep that crispy topping intact. Microwave works in a pinch – just cover with a damp paper towel and heat in 30-second bursts to prevent the cheese sauce from separating. Pro tip: Sprinkle a few fresh breadcrumbs on top before reheating to revive that golden crunch!
Cheesy Broccoli Casserole FAQs
Over the years, I’ve gotten the same great questions about this recipe – here are the answers that’ll save you time and trouble:
Can I freeze cheesy broccoli casserole? Absolutely! Assemble without the breadcrumbs, freeze before baking, then add the topping when you’re ready to cook. Frozen casseroles keep for 2 months – just add 10-15 minutes to the bake time.
Can I use frozen broccoli instead of fresh? Yes, but thaw it completely and squeeze out ALL the water first. I spread frozen florets on paper towels and press with another towel – soggy broccoli makes a watery casserole.
How do I get an extra crispy top? If your breadcrumbs need more color, pop the casserole under the broiler for 1-2 minutes at the end. Watch it like a hawk though – that golden perfection turns to burnt sadness fast!
Nutritional Information
Here’s the scoop on what’s in each comforting serving (because let’s be real – we all pretend we’re just having one portion, then go back for seconds!):
Based on my calculations and about a million batches, each serving comes out to roughly 320 calories, with 12g protein and 22g fat. That’s for the classic version using whole milk and regular cheddar – swap in skim milk or low-fat cheese, and those numbers change. Same goes if you add mix-ins like bacon or ham (though who’s counting calories when there’s melty cheese involved?). Just remember – these are estimates, because let’s face it, my “half cup” of cheese often becomes “a generous cup” when no one’s watching!
Print
Cheesy Broccoli Casserole
- Total Time: 35 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
A creamy and cheesy broccoli casserole that’s easy to make and perfect for family dinners.
Ingredients
- 4 cups fresh broccoli florets
- 2 cups shredded cheddar cheese
- 1 cup milk
- 1/2 cup sour cream
- 1/4 cup butter
- 1/4 cup all-purpose flour
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/2 cup breadcrumbs
Instructions
- Preheat oven to 350°F (175°C).
- Steam broccoli florets until tender, about 5 minutes. Drain and set aside.
- Melt butter in a saucepan over medium heat.
- Whisk in flour and cook for 1 minute.
- Gradually add milk, stirring constantly until thickened.
- Remove from heat and stir in sour cream, salt, and pepper.
- Mix steamed broccoli with the sauce and half the cheese.
- Transfer mixture to a baking dish.
- Sprinkle remaining cheese and breadcrumbs on top.
- Bake for 20 minutes or until bubbly and golden.
Notes
- Use fresh broccoli for best texture.
- Substitute Greek yogurt for sour cream if preferred.
- Add cooked chicken for extra protein.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 320
- Sugar: 5g
- Sodium: 450mg
- Fat: 22g
- Saturated Fat: 12g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 3g
- Protein: 12g
- Cholesterol: 50mg