Chicken and Broccoli Alfredo Stuffed Shells

User Reviews

4.7

122 reviews
Excellent
  • Prep Time

    30 mins

  • Cook Time

    35 mins

  • Total Time

    1 hr 5 mins

  • Servings

    7 Servings

  • Course

    Main Course

  • Cuisine

    American

Chicken and Broccoli Alfredo Stuffed Shells

These stuffed shells feature a creamy Alfredo sauce blended with tender steamed broccoli and shredded chicken, packed into large jumbo pasta shells. The dish combines the richness of cream cheese and Parmesan with the mild flavors of chicken and broccoli, creating a satisfying casserole layered and baked to meld the ingredients beautifully. It’s practical for making ahead and baking when ready to serve, offering comforting flavors in a one-dish meal.

Description

Chicken and Broccoli Alfredo Stuffed Shells include a homemade Alfredo sauce made by cooking butter, garlic, and flour before incorporating cream cheese and milk, then finishing with Parmesan cheese until thickened. Large pasta shells are cooked until al dente, then filled with a mixture of steamed broccoli, shredded chicken, mozzarella cheese, and part of the Alfredo sauce. This filling is stuffed into the shells and arranged in a baking dish with remaining sauce spread on top before baking. The baking blends the creamy sauce with the chicken and broccoli inside tender pasta shells.

The flavors combine the richness of the creamy Alfredo and cheeses with the gentle earthiness of broccoli and mild chicken meat. The pasta holds the filling well, providing a soft bite contrasting with the mix’s tenderness. Cooking the sauce from scratch with cream cheese adds creaminess and body, differentiating this from simpler Alfredo recipes.

This casserole works well as a main dish for dinner, offering both protein and vegetables in a comforting, creamy pasta form. It can be assembled ahead of time and baked later, making it convenient for meal planning or when feeding a family. The texture is creamy and satisfying, suited to those who enjoy rich, cheesy pasta dishes combined with mild chicken and broccoli.

To streamline preparation, the broccoli can be steamed in the microwave or added briefly to the pasta water at the end of cooking. Keeping the shell filling proportioned correctly helps ensure well-stuffed shells without leftovers. The recipe allows flexibility with shredded chicken, such as rotisserie or homemade cooked chicken.

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Ingredients

Servings

Alfredo Sauce:

  • 4 tablespoons butter salted
  • 2 tablespoons flour
  • 4-6 cloves garlic finely minced
  • 12 ounces cream cheese light or regular, softened and cubed into 1-inch pieces
  • 3 cups milk
  • 1 cup Parmesan Cheese freshly grated or Parmigiano-Reggiano cheese

Shells + Filling:

  • 30 large jumbo pasta shells (most of a 12 ounce box)
  • 3 cups broccoli steamed (see note, finely chopped
  • 3-4 cups cooked shredded chicken (rotisserie chicken works great here)
  • 1 cup mozzarella cheese grated
  • ¼ cup Parmesan Cheese freshly grated

Instructions

  1. Preheat the oven to 350 degrees F. Lightly grease a 9X13-inch pan (or slightly smaller) and set aside.
  2. For the alfredo sauce, heat the butter in a medium saucepan until melted. Stir in the flour and garlic. Cook, stirring constantly, for about a minute until fragrant and sizzling. Add the cream cheese and stir or whisk until the mixture is melted and smooth. Gradually add the milk, whisking constantly, and bring the mixture to a low simmer. Add the Parmesan cheese and cook until the sauce is thickened and bubbly.
  3. For the pasta, cook the shells according to package directions until al dente. Drain. Lay the pasta shells in a single layer on a baking sheet or parchment paper so they don't stick together.
  4. For the filling, in a medium bowl, add the steamed (and drained) broccoli, chicken, mozzarella cheese, and ONE CUP of the homemade alfredo sauce. Mix together.
  5. Spread 1/3 of the sauce (doesn't have to be exact) in the prepared pan.
  6. Fill each of the cooked pasta shells with an even amount of the filling and place side-by-side in the baking dish. Pour the rest of the sauce over the shells and sprinkle the 1/4 cup Parmesan cheese over the top.
  7. Bake for 20-30 minutes until hot and bubbling. Remove from the oven and let the shells rest for 5-10 minutes before serving.

Notes

  • While pasta cooks, prepare the Alfredo sauce to multitask efficiently.
  • Steam broccoli separately or briefly add to pasta water near the end, then drain to avoid sogginess.
  • Using 'most' of a box of shells helps fill them properly; increase filling amounts to use a full box.
  • This dish can be assembled ahead, refrigerated 12-24 hours before baking, adding 10-15 minutes to baking time for chilled casserole.
  • Rotisserie chicken is a convenient option for the shredded chicken filling.

Nutrition Information

Show Details
Serving 1 Serving Calories 775kcal (39%) Carbohydrates 49g (16%) Protein 52g (104%) Fat 41g (63%) Saturated Fat 22g (110%) Cholesterol 198mg (66%) Sodium 1012mg (42%) Fiber 3g (12%) Sugar 9g (18%)

Nutrition Facts

Serving: 7Servings

Amount Per Serving

Calories kcal

% Daily Value*

Serving 1 Serving
Calories 775kcal 39%
Carbohydrates 49g 16%
Protein 52g 104%
Fat 41g 63%
Saturated Fat 22g 110%
Cholesterol 198mg 66%
Sodium 1012mg 42%
Fiber 3g 12%
Sugar 9g 18%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

4.7

122 reviews
Excellent

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