Chicken Broccoli Alfredo Stuffed Shells

If you’re craving a cozy, family-style dinner that feels like something you’d order at an Italian restaurant, these Chicken Broccoli Alfredo Stuffed Shells are the answer. Think: tender jumbo pasta shells loaded with shredded chicken, steamed broccoli, and creamy ricotta, then baked under a blanket of Alfredo sauce, melty mozzarella, and Parmesan until bubbly and golden.

This is the kind of comfort food that hits all the right notes—creamy, cheesy, hearty, and satisfying—without being complicated. It’s also a fantastic way to stretch leftover chicken into a brand-new meal, and the broccoli adds a pop of color and a wholesome bite that balances the richness of the sauce.

Whether you’re planning a weeknight dinner, feeding guests, or prepping something you can reheat for lunches, chicken Alfredo stuffed shells are always a win.

Why You’ll Love This Recipe

• Comfort food perfection: Creamy Alfredo + cheese + baked pasta = pure happiness.
• Great for leftovers: Rotisserie chicken, baked chicken breasts, or leftover shredded chicken all work beautifully.
• Family-friendly: Mild flavors, cheesy filling, and a familiar Alfredo vibe make this a crowd-pleaser.
• Make-ahead friendly: Assemble earlier in the day (or even freeze) and bake when ready.
• A complete meal in one dish: Protein + pasta + veggies baked together.

If you’ve been searching for stuffed pasta shells with chicken and broccoli or an easy baked Alfredo casserole vibe, this recipe delivers.

Ingredients You’ll Need

Here’s what goes into these Chicken Broccoli Alfredo Stuffed Shells (and why each ingredient matters):

• 20 jumbo pasta shells – The “container” for all that creamy filling. Cook until just al dente so they don’t get mushy after baking.
• 2 cups cooked, shredded chicken – Juicy, savory, and filling. Rotisserie chicken is a major shortcut here.
• 2 cups chopped broccoli, steamed – Tender bites of green that balance the richness. Steam just until bright and fork-tender.
• 1 1/2 cups Alfredo sauce (store-bought or homemade) – The creamy sauce that ties everything together. Use your favorite jarred Alfredo to keep it easy.
• 1 cup ricotta cheese – Makes the filling creamy and helps it hold together.
• 1 cup shredded mozzarella – Adds that gooey, stretchy, cheesy top layer.
• 1/2 cup grated Parmesan – Brings sharp, salty depth and classic Alfredo flavor.
• Salt and pepper, to taste – Simple seasoning that goes a long way.
• Cooking spray – Helps prevent sticking and makes cleanup easier.

Optional (but helpful) add-ins

Not required, but if you want to customize: a pinch of garlic powder, Italian seasoning, or red pepper flakes can give a little extra flavor.

How to Make Chicken Broccoli Alfredo Stuffed Shells

This recipe is straightforward—cook the shells, mix the filling, stuff, sauce, and bake.

1. Preheat and prep your dish
   Preheat your oven to 375°F. Lightly grease a 9×13-inch baking dish with cooking spray.
2. Cook the pasta shells
   Cook jumbo shells according to package directions. Drain and set aside.
   Tip: Rinse briefly with cool water so they’re easier to handle, then lay them out so they don’t stick together.
3. Mix the filling
   In a bowl, combine:
   ricotta, shredded chicken, steamed chopped broccoli, half the mozzarella, and half the Parmesan.
   Season with salt and pepper to taste.
4. Add sauce to the bottom of the dish
   Spread 1/2 cup Alfredo sauce in the bottom of the baking dish. This prevents sticking and keeps the shells moist.
5. Stuff and arrange
   Fill each shell with the chicken-broccoli mixture and arrange in the baking dish in a single layer.
6. Top with Alfredo sauce and cheese
   Pour the remaining Alfredo sauce evenly over the shells. Sprinkle with the remaining mozzarella and Parmesan.
7. Bake
   Cover with foil and bake for 25 minutes. Uncover and bake an additional 10 minutes, until the top is bubbly and golden.

Let the dish rest for about 5–10 minutes before serving—this helps everything set up and makes the shells easier to scoop.

Pro Tips for Creamy, Perfect Stuffed Shells

• Don’t overcook the shells. Slightly firm (al dente) is ideal since they bake again in the oven.
• Chop the broccoli small. Smaller pieces tuck into the shells better and make every bite balanced.
• Use warm chicken. If your chicken is cold from the fridge, it can cool down the filling and slow baking—room temp is great.
• Cover first, then uncover. Foil traps steam and keeps things creamy; uncovering at the end gives you that golden top.
• Want extra saucy shells? Add an additional splash of Alfredo sauce before baking, or serve with warmed sauce on the side.

Easy Variations and Substitutions

This recipe is super flexible—here are a few tasty ways to switch it up:

• Swap the protein: Use shredded turkey, cooked sausage crumbles, or even chopped ham.
• Add more veggies: Stir in sautéed mushrooms, spinach (squeezed dry), or peas.
• Make it lighter: Use part-skim ricotta and mozzarella, and a lighter Alfredo sauce (if you like).
• Make it spicy: Add crushed red pepper flakes or a pinch of cayenne to the filling.
• Try a different cheese vibe: A little provolone or Italian blend cheese works great with Alfredo flavors.

What to Serve With Chicken Alfredo Stuffed Shells

Because this dish is rich and creamy, it pairs best with fresh, simple sides:

• Crisp green salad with a tangy vinaigrette
• Garlic bread or warm dinner rolls
• Roasted vegetables (asparagus, zucchini, or Brussels sprouts)
• A bright side like lemony green beans to cut the creaminess

If you’re serving guests, this meal looks impressive on the table and feels special—without any complicated steps.

Make-Ahead, Storage, and Freezing

Make ahead: Assemble the stuffed shells in the baking dish, cover tightly, and refrigerate up to 24 hours. Bake as directed (you may need a few extra minutes if baking straight from the fridge).

Store leftovers: Keep leftovers in an airtight container in the refrigerator for 3–4 days.

Reheat: Reheat in the microwave or in the oven at 350°F until warmed through. Add a spoonful of Alfredo sauce if you want them extra creamy.

Freeze: You can freeze the assembled (unbaked) dish—wrap tightly with foil and freeze for up to 2–3 months. Thaw overnight in the fridge before baking, or bake from frozen (covered) until hot throughout, then uncover to brown the top.

Recipe Q&A (FAQ)

1) Can I use rotisserie chicken?
Yes—rotisserie chicken is perfect here. Shred it and measure about 2 cups packed.

2) Can I use frozen broccoli instead of fresh?
Absolutely. Thaw it first and drain/squeeze out excess water so your filling doesn’t get watery.

3) How do I keep jumbo shells from tearing?
Cook them just to al dente, stir gently while boiling, and drain carefully. A quick rinse with cool water helps stop cooking and makes them easier to handle.

4) Can I make this ahead of time?
Yes. Assemble everything, cover, and refrigerate up to 24 hours. Bake when ready (you may need +10–15 minutes covered if it’s cold from the fridge).

5) Can I freeze Chicken Broccoli Alfredo Stuffed Shells?
Yes. Freeze assembled and unbaked (best texture). Wrap tightly and freeze up to 2–3 months. Thaw overnight in the fridge and bake, or bake from frozen (covered longer) until hot throughout.

6) How do I know it’s done?
You want the sauce bubbling and the top lightly golden. For food safety, the center should reach 165°F.