I still make this when I want comfort food that feels indulgent but actually packs a protein punch. It’s a creamy, oven-baked Alfredo casserole built from simple staples: cooked pasta, tender shredded chicken, steamed broccoli, and two kinds of cheese. If you enjoy creamy baked chicken dinners, you might also like this creamy baked Dijon chicken thighs — they share the same cozy, family-friendly vibe.
Why you’ll love this dish
This High Protein Alfredo Bake hits a sweet spot: it’s easy, filling, and flexible. Weeknights, meal prep, or a potluck—this one works everywhere because it’s fast to assemble and bakes into a bubbly, golden-topped crowd-pleaser.
"A lazy-weeknight hero: creamy sauce, tender chicken, and broccoli tucked into pasta — everything my family actually eats."
Reasons to try it:
- High in protein without tasting like "health food."
- Uses pantry staples and leftover rotisserie or baked chicken.
- Kid-approved texture with hidden veggies (hello, broccoli).
- Reheats well for lunches or busy evenings.
How this recipe comes together
You’ll mix cooked pasta with Alfredo sauce, shredded cooked chicken, and steamed broccoli for a creamy base. Season lightly with garlic powder, Italian seasoning, salt, and pepper. Transfer to a greased dish, blanket with mozzarella and Parmesan, then bake until the cheese bubbles and turns golden. Total active assembly is about 10 minutes; bake time is 20–25 minutes.
What you’ll need
- 2 cups cooked pasta (penne, rotini, or shells work best) — use freshly cooked and drained or leftover refrigerated pasta.
- 1 cup Alfredo sauce (store-bought or homemade)
- 2 cups cooked chicken, shredded (rotisserie chicken or shredded baked chicken)
- 1 cup steamed broccoli florets (roughly chopped)
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1 teaspoon garlic powder
- 1 teaspoon Italian seasoning
- Salt and black pepper to taste
Notes and substitutions: - Pasta: whole-wheat or chickpea pasta boosts fiber and protein; chickpea pasta also raises the overall protein.
- Sauce: swap for a light Alfredo or a 3/4 cup Alfredo + 1/4 cup Greek yogurt for tang and extra protein.
- Veggie swap: green peas or roasted spinach in place of broccoli.
- Cheese: low-moisture part-skim mozzarella will reduce fat but still melt well.
Step-by-step instructions
- Preheat the oven to 375°F (190°C). Grease a 9×9-inch or similar baking dish with butter or nonstick spray.
- In a large bowl, combine 2 cups cooked pasta, 1 cup Alfredo sauce, 2 cups shredded cooked chicken, 1 cup steamed broccoli, 1 teaspoon garlic powder, 1 teaspoon Italian seasoning, and salt and pepper to taste. Mix gently until everything is coated.
- Transfer the mixture to the prepared baking dish and spread it into an even layer.
- Sprinkle 1 cup shredded mozzarella evenly over the top, then dust with 1/2 cup grated Parmesan.
- Bake in the preheated oven for 20–25 minutes, or until the cheese is melted, bubbly, and lightly golden. If you want extra browning, broil for 1–2 minutes while watching closely.
- Remove from the oven and let rest for about 5 minutes before serving. The rest period helps the casserole set and makes it easier to portion.
Best ways to enjoy it
Serve warm straight from the dish with a crisp side salad or garlic bread. For variety:
- Add a squeeze of lemon and chopped parsley at the end to brighten the richness.
- Spoon over a bed of baby spinach for extra greens.
- Serve with roasted cherry tomatoes or a tart vinaigrette salad to cut the creaminess.
Pairing suggestions:
- A simple arugula salad with lemon vinaigrette.
- Light, acidic white wine (Pinot Grigio) or a sparkling water with citrus for non-drinkers.
Storage and reheating tips
- Refrigeration: Cool the bake to room temperature (no more than 2 hours), then cover and refrigerate for 3–4 days.
- Freezing: Portion into airtight containers or wrap the whole dish tightly. Freeze up to 2 months. Thaw overnight in the fridge before reheating.
- Reheating: From refrigerated, reheat individual portions in the microwave for 1–2 minutes, stirring midway. For a fuller oven reheat, cover with foil and bake at 350°F (175°C) until heated through (about 15–20 minutes). Always reheat until the center reaches 165°F (74°C) for food safety.
- Tip: Add a splash of milk or a dollop of Alfredo when reheating to revive creaminess.
Pro chef tips
- Dry pasta is slightly firmer after baking; cook pasta 1–2 minutes shy of al dente if using freshly cooked. For leftovers, use fully cooked pasta and skip extra cooking time.
- Shred chicken finely so it distributes evenly through the casserole — no big chunks crowding a bite.
- To prevent a watery bake, make sure broccoli is well steamed and drained. Pat it dry if it looks wet.
- For an extra golden top, mix a tablespoon of melted butter into the shredded mozzarella before topping.
- If you want a crisper top, add panko mixed with a tablespoon of olive oil for the last 10 minutes of baking.
Creative twists
- Buffalo Alfredo: Stir 1/4 cup hot sauce into the mixture before baking and finish with blue cheese crumbles.
- Veggie-forward: Replace chicken with grilled mushrooms and add spinach for a meatless but hearty version.
- Low-carb version: Swap pasta for cooked cauliflower florets or spiralized zucchini; reduce bake time slightly to avoid overcooking the vegetables.
- Make it soulfully crispy by using roasted chicken thighs instead of shredded breast — if you want a separate crispy chicken recipe to pair with lighter sides, try this crispy baked chicken thighs for inspiration.
Common questions
Q: How long does this take from start to finish?
A: About 35–45 minutes total: 10–15 minutes active assembly (assuming pasta and chicken are already cooked) and 20–25 minutes baking.
Q: Can I use fresh broccoli instead of steamed?
A: Yes. If using raw florets, blanch or steam them for 2–3 minutes first so they finish tender in the bake. Raw broccoli can remain too firm after 25 minutes.
Q: Is this freezer-friendly?
A: Yes. Freeze the fully cooled casserole in airtight containers for up to 2 months. Thaw overnight in the fridge and reheat until bubbling hot.
Q: How much protein is in a serving?
A: Rough estimate for the whole dish is roughly 80–100 grams of protein depending on chicken and pasta types; divided into four servings, that’s about 20–25 grams of protein per serving. Use higher-protein pasta or extra chicken to increase that number.
Q: Can I make this vegetarian?
A: Absolutely—swap the chicken for extra vegetables (mushrooms, spinach, roasted squash) and consider adding white beans or tofu for protein.
If you want more recipes that are simple to prep and family-friendly, the tips and pairings in the sections above will help you customize this bake every time.
Print
High Protein Alfredo Bake
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
- Yield: 4 servings
- Category: Main Course
- Method: Baking
- Cuisine: Italian
- Diet: Protein-Rich
Description
A creamy, oven-baked Alfredo casserole packed with protein, featuring cooked pasta, shredded chicken, and steamed broccoli.
Ingredients
- 2 cups cooked pasta (penne, rotini, or shells)
- 1 cup Alfredo sauce
- 2 cups cooked chicken, shredded
- 1 cup steamed broccoli florets
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1 teaspoon garlic powder
- 1 teaspoon Italian seasoning
- Salt and black pepper to taste
Instructions
- Preheat the oven to 375°F (190°C) and grease a 9×9-inch baking dish.
- In a large bowl, mix cooked pasta, Alfredo sauce, shredded chicken, steamed broccoli, garlic powder, Italian seasoning, salt, and pepper until coated.
- Transfer the mixture to the prepared baking dish and spread evenly.
- Sprinkle mozzarella over the top and dust with grated Parmesan.
- Bake for 20–25 minutes until cheese is melted and golden. Broil for 1–2 minutes for extra browning if desired.
- Let rest for 5 minutes before serving.
Notes
Substitute chickpea or whole-wheat pasta for added fiber and protein. Use green peas or spinach instead of broccoli. Consider a light Alfredo sauce for a healthier option.