Don’t Miss Out- Try THIS Loaded Chicken Alfredo Casserole Recipe: Creamy & Delicious Homemade Sauce

Don’t Miss Out- Try THIS Loaded Chicken Alfredo Casserole Recipe: Creamy & Delicious Homemade Sauce is a medium American (Italian‑American comfort) recipe that serves 6. 620 calories per serving. Recipe by The Sauce and Gravy Channel on YouTube.

Prep: 30 min | Cook: 1 hr 21 min | Total: 2 hrs 11 min

Cost: $27.45 total, $4.58 per serving

Ingredients

  • 3 pieces Chicken Breasts (Poach then shred; yields about 3 cups shredded chicken)
  • 16 ounce Penne Pasta (Dry; cook al dente per package)
  • 2 cup Broccoli Florets (Chopped; stems discarded; can use frozen)
  • 3 cup Fresh Spinach (Roughly three large handfuls, loosely packed)
  • 1 cup Red Onion (Diced, about 130 g)
  • 6 slice Bacon (Cut into bite‑size pieces, about 210 g)
  • 1 teaspoon Fresh Oregano Leaves (Leaves stripped from stems)
  • 3 stem Fresh Basil Stems (Leaves chiffonaded; stems used in bouquet garni)
  • 0.25 cup Flat‑Leaf Parsley (Leaves chopped; stems saved for bouquet garni)
  • 1 teaspoon Dried Thyme (For bouquet garni)
  • 1 piece Cooking Twine (To tie bouquet garni)
  • 2 tablespoon Vegetable Oil (For sautéing)
  • 5 tablespoon Unsalted Butter (About 70 g; used in roux)
  • 6 tablespoon All‑Purpose Flour (About 48 g; for roux)
  • 0.25 cup Dry White Wine (Deglazing liquid, about 63 ml)
  • 0.25 teaspoon Red Pepper Flakes (Optional heat)
  • 2 cup Chicken Stock (Low‑sodium, about 500 ml)
  • 2 cup Heavy Cream (About 500 ml, 35 % fat)
  • 1 cup Parmesan Cheese (Freshly shredded, about 63 g)
  • 3 cup Mozzarella Cheese (Shredded; 1 cup folded into sauce, 2 cups for topping (≈330 g))
  • 1 pinch Black Pepper (Freshly ground)
  • 1 pinch Salt (Kosher or sea salt, to taste)

Instructions

  1. Poach the Chicken

    Place the three chicken breasts in a pot of cold water, bring to a gentle simmer and poach for 15 minutes, or until the internal temperature reaches 165 °F (74 °C). Remove and set aside to cool slightly.

    Time: PT15M

  2. Cook the Pasta

    Bring a large pot of salted water to a boil, add the 16 oz penne and cook according to package directions until al dente (about 10‑12 minutes). Drain and set aside.

    Time: PT12M

    Temperature: 212°F

  3. Cook the Broccoli

    Trim the broccoli heads, chop into florets, then boil in a pot of water until tender (about 5 minutes). Drain and set aside.

    Time: PT5M

    Temperature: 212°F

  4. Prepare Fresh Herbs and Bouquet Garni

    Strip oregano leaves, chiffonade basil leaves, and chop parsley leaves. Gather 6‑7 parsley stems, 3 basil stems, and 1 tsp dried thyme, tie together with cooking twine to form a bouquet garni.

    Time: PT10M

  5. Dice Onion and Cut Bacon

    Dice the red onion to about 1 cup and cut the 6 bacon slices into bite‑size pieces.

    Time: PT5M

  6. Sauté Spinach, Bacon, Onion, and Garlic

    Heat 2 Tbsp vegetable oil in the high‑sided saucepan over high heat. Add the spinach and sauté 1 minute until wilted, then add bacon and fry until nearly crisp (≈5 min). Add the diced onion and sauté until translucent (≈3 min). Add minced garlic and cook 30 seconds. Deglaze with ¼ cup white wine, add red pepper flakes and a pinch of oregano, basil, and parsley, and reduce until the wine evaporates (≈2 min).

    Time: PT12M

    Temperature: Medium‑high

  7. Make the Roux

    Push the sautéed ingredients to the side, add 5 Tbsp butter (plus bacon grease) and melt. Sprinkle 6 Tbsp flour over the melted butter, stirring constantly for 3‑5 minutes until the mixture turns a light golden color.

    Time: PT5M

    Temperature: Medium

  8. Add Liquids and Simmer Sauce

    Gradually whisk in 2 cups chicken stock, ensuring a smooth mixture. Add the bouquet garni, then stir in 2 cups heavy cream, a pinch of black pepper, and bring to a gentle simmer. Reduce heat to low and cook 3‑5 minutes until the sauce thickens and coats the back of a spoon.

    Time: PT5M

    Temperature: Medium

  9. Finish the Alfredo Sauce

    Remove the pan from heat, discard the bouquet garni, and stir in 1 cup shredded Parmesan until melted. Then add 1 cup shredded mozzarella, a pinch of the remaining fresh herbs, and the sautéed spinach. Mix until the cheese is fully incorporated.

    Time: PT5M

  10. Shred the Poached Chicken

    Transfer the poached chicken to a large mixing bowl and shred using a hand mixer or two forks until it reaches a coarse, bite‑size texture.

    Time: PT5M

  11. Assemble the Casserole

    Preheat the oven to 375 °F (190 °C). In a 9×13‑inch baking dish, layer one‑third of the Alfredo sauce, half the shredded chicken, half the broccoli, and half the pasta. Add another third of the sauce, the remaining chicken, the remaining broccoli, and the remaining pasta. Top with the final third of sauce and sprinkle 2 cups shredded mozzarella evenly over the surface.

    Time: PT10M

  12. Bake the Casserole

    Place the assembled dish in the preheated oven and bake for 20‑25 minutes, until the cheese on top is lightly golden and the casserole is bubbling throughout.

    Time: PT22M

    Temperature: 375°F

  13. Rest and Serve

    Remove from oven and let the casserole rest for 5 minutes before serving to allow the sauce to set.

    Time: PT5M

Nutrition Facts

Calories
620
Protein
35 g
Carbohydrates
45 g
Fat
30 g
Fiber
5 g

Dietary info: Contains meat, High protein, Contains gluten, Contains dairy

Allergens: Dairy, Gluten, Pork

Last updated: April 20, 2026

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Don’t Miss Out- Try THIS Loaded Chicken Alfredo Casserole Recipe: Creamy & Delicious Homemade Sauce

Recipe by The Sauce and Gravy Channel

A hearty, family‑friendly baked casserole packed with poached chicken, penne pasta, broccoli, spinach, bacon, and a rich homemade Alfredo sauce flavored with fresh herbs. Perfect for back‑to‑school nights or chilly winter evenings.

MediumAmerican (Italian‑American comfort)Serves 6

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
25m
Prep
1h 31m
Cook
14m
Cleanup
2h 10m
Total

Cost Breakdown

$27.45
Total cost
$4.58
Per serving

Critical Success Points

  • Poaching the chicken until fully cooked but still juicy
  • Making a smooth roux without lumps
  • Reducing the wine completely before adding liquids
  • Removing the bouquet garni before finishing the sauce
  • Baking until the cheese is golden but not burnt

Safety Warnings

  • Handle hot oil and boiling water with care to avoid burns
  • Ensure chicken reaches 165 °F (74 °C) before shredding
  • Alcohol in wine evaporates; keep flame away from the pan when deglazing

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Loaded Chicken Alfredo Casserole in American comfort food cuisine?

A

Loaded Chicken Alfredo Casserole blends classic Italian alfredo sauce with American casserole tradition, creating a hearty, family‑friendly dish that became popular in the mid‑20th century as a convenient way to serve pasta, protein, and vegetables in one baked meal.

cultural
Q

What are the traditional regional variations of chicken alfredo casseroles in Italian‑American cuisine?

A

In the Midwest, cooks often add corn and use rotisserie chicken, while in the Northeast, a breadcrumb topping is common. Some Southern versions swap penne for elbow macaroni and incorporate a dash of hot sauce for heat.

cultural
Q

How is Loaded Chicken Alfredo Casserole traditionally served in American households?

A

It is typically served hot from the oven, scooped onto plates, and paired with a simple green salad or garlic bread. Leftovers are reheated for lunch or dinner the next day.

cultural
Q

What occasions or celebrations is Loaded Chicken Alfredo Casserole traditionally associated with in American culture?

A

It is a go‑to dish for back‑to‑school nights, family game nights, potlucks, and casual holiday gatherings because it feeds a crowd and can be prepared ahead of time.

cultural
Q

What makes Loaded Chicken Alfredo Casserole special or unique in Italian‑American cuisine?

A

The dish combines a rich, herb‑infused alfredo sauce made from scratch with layers of chicken, broccoli, and spinach, offering both comfort and a boost of nutrition that sets it apart from simpler pasta bakes.

cultural
Q

What are the most common mistakes to avoid when making Loaded Chicken Alfredo Casserole?

A

Common errors include overcooking the chicken (making it dry), under‑reducing the wine (leaving a harsh flavor), using a thin sauce that makes the casserole watery, and forgetting to remove the bouquet garni before finishing the sauce.

technical
Q

Why does this Loaded Chicken Alfredo Casserole recipe use a roux instead of cornstarch to thicken the sauce?

A

A butter‑flour roux creates a velvety, glossy texture that coats pasta better than cornstarch, and it also adds a subtle nutty flavor that complements the cheese and herbs.

technical
Q

Can I make Loaded Chicken Alfredo Casserole ahead of time and how should I store it?

A

Yes. Assemble the casserole (without the final mozzarella topping) and refrigerate for up to 2 days. Add the topping and bake when ready, or freeze the assembled, unbaked casserole for up to 2 months and bake from frozen, adding extra baking time.

technical
Q

What texture and appearance should I look for when the Loaded Chicken Alfredo Casserole is done cooking?

A

The sauce should be bubbling throughout, the cheese on top should be lightly golden and slightly crisp, and the edges of the casserole should be set but still moist inside.

technical
Q

How do I know when the Loaded Chicken Alfredo Casserole is done cooking?

A

Insert a knife into the center; it should go in with little resistance and come out warm. The cheese should be browned and the casserole should be hot all the way through (165 °F/74 °C).

technical
Q

What does the YouTube channel The Sauce and Gravy Channel specialize in?

A

The Sauce and Gravy Channel focuses on mastering sauces, gravies, and comfort‑food classics, offering step‑by‑step tutorials that emphasize technique, flavor layering, and home‑cook accessibility.

channel
Q

How does the YouTube channel The Sauce and Gravy Channel's approach to Italian‑American cooking differ from other cooking channels?

A

The Sauce and Gravy Channel prioritizes building sauces from scratch, using fresh herbs and proper technique (like a proper roux), whereas many other channels rely on pre‑made mixes or shortcuts, aiming for authentic flavor depth.

channel

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