Chicken and Broccoli Alfredo Casserole Bake
I make casseroles when I want to pretend I’m a domestic goddess but also want leftovers that behave like a crock-pot miracle. This version marries creamy Alfredo, tender chicken, and broccoli into something comforting enough to justify elastic-waist pants. It’s cozy, slightly ridiculous, and perfect for nights when you don’t want to negotiate dinner with children or your very opinionated partner. Also: it makes your house smell like you actually know what you’re doing.
Once, I proudly brought this Chicken and Broccoli Alfredo Casserole Bake to the table while my husband applauded like I’d just solved world peace. Two bites in, he announced it “needed crunch,” then proceeded to dump the entire crouton jar on his plate. The kids followed, adding pickles “for science.” I still call that night a success because everyone ate something green (ish) and I didn’t have to microwave separate lunches for picky relatives. Small wins.
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Why You’ll Love This Chicken and Broccoli Alfredo Casserole Bake
– It’s creamy and comforting without pretending to be fancy.
– Feeds a small army or a family of snackers—double as lunch for the week.
– Kid-approved when you strategically cover the broccoli with cheese (I’m not above bribery).
– Reheats like a dream, which is essential because my cooking schedule is “whenever I find time between errands and dramatic soap-opera watching.”
Time-Saving Hacks
– Use rotisserie chicken. Yes, it’s cheating. No, I won’t apologize.
– Frozen broccoli is your emergency weapon—steam it straight from the bag.
– Buy pre-shredded cheese and accept the slightly waxy life. More time, fewer dishes.
– Make the sauce the day before and store it in the fridge. Less chaos at dinner time.
– Toss everything in one dish if you’re feeling brave: more mess now, fewer pans later.
Serving Ideas
– Serve with a crisp salad if you want to pretend you’re balanced.
– Garlic bread: mandatory if you love carbs (and who doesn’t?).
– Serve with wine if the kids drove you nuts—red or white, I won’t judge.
– For dinner guests, add a simple lemony side to cut the richness and sound fancy.
What to Serve It With
Roasted asparagus or a simple green salad, and maybe some lemon wedges for people who like to act like they know what acidity does.
Tips & Mistakes
Tip: Don’t overcook the broccoli before baking—al dente is the goal unless you enjoy puree-adjacent textures.
Common mistake: Skipping seasoning in the sauce. Alfredo can be bland if you forget salt, pepper, and a little nutmeg. Yes, nutmeg. Weird, but it works.
Pro move: Let it rest 10 minutes after baking so it sets. I skip this sometimes and we eat a sloppy casserole; I live dangerously and so can you.
Storage Tips
Store it in the fridge… if there’s any left. Cold midnight leftovers? Sometimes better than fresh.
– Keep in an airtight container for up to 4 days.
– Reheat covered in the oven at 350°F (175°C) or in the microwave with a splash of milk to revive creaminess.

Variations and Substitutions
Swap whatever you want—sugar ↔ honey, soy sauce ↔ tamari, or skip steps and call it “deconstructed.” It still counts.
– Swap chicken for shredded rotisserie turkey for a post-holiday miracle.
– Use cauliflower instead of broccoli if your kid claims broccoli is “too foresty.”
– Make it lighter with Greek yogurt stirred into the sauce, though you’ll miss some of the decadence.
Frequently Asked Questions

Chicken and Broccoli Alfredo Casserole Bake
Ingredients
Main Ingredients
- 2.5 cups cooked chicken, shredded Use rotisserie chicken for convenience.
- 1 cup broccoli florets Fresh or frozen works well.
- 1 cup Alfredo sauce Store-bought or homemade.
- 1.5 cups cooked pasta, like penne Any short pasta is suitable.
- 1 cup shredded mozzarella cheese For a gooey texture.
- 0.5 cup grated Parmesan cheese Add for extra flavor.
- 1 teaspoon garlic powder Enhances flavor.
- 0.5 teaspoon black pepper For seasoning.
Instructions
Preparation Steps
- Preheat your oven to 350°F (175°C).
- In a large bowl, combine shredded chicken, broccoli, Alfredo sauce, cooked pasta, garlic powder, and pepper.
- Mix well and transfer the mixture to a greased baking dish.
- Sprinkle mozzarella and Parmesan cheese over the top.
- Bake for 25-30 minutes or until the cheese is bubbly and golden.
- Remove from oven, let cool for 5 minutes, then serve warm.
