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Dinner · Part 2 of 3: Instructions

Creamy Chicken and Shells Bake for an Easy Dinner Step-by-step instructions

A top-down view of a creamy chicken and shells bake in a white baking dish on a wooden surface.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure your oven is preheated to the correct temperature. Gather all your ingredients and measure them out to keep the assembly process efficient. Have a large, high-sided baking dish ready to prevent any sauce from bubbling over during the cooking process.

If you are using pre-shredded cheese, ensure it is fresh to guarantee the best melt. Keep your workstation clean and organized to make the assembly of the bake seamless and enjoyable.

Ingredients at a glance (5)
  • 8 oz medium pasta shells, dry
  • 1 lb boneless, skinless chicken breast, cut into bite-size pieces
  • 2 cups creamy garlic sauce
  • 1 cup shredded cheddar cheese
  • 1 cup shredded mozzarella cheese

Instructions

Assembling the base

  1. Prepare the Base
    Preheat your oven to 375°F (190°C). In a large rectangular baking dish, spread the dry pasta shells evenly across the bottom. Arrange the bite-size chicken breast pieces on top of the pasta, ensuring they are distributed well throughout the dish.
    Look for The chicken pieces should be in a single layer over the pasta shells.
    Tip Ensure the chicken pieces are cut to a uniform bite-size to help them cook evenly with the pasta.

At this phase, the baking dish should be neatly layered with dry pasta and raw chicken. Check that the chicken is evenly distributed so that every serving gets a fair share of protein. Ensure your oven is fully preheated before proceeding to the next step, as consistent heat is essential for the pasta to rehydrate correctly in the sauce.

Adding the sauce and cheese

  1. Add Sauce and Cheese
    Pour the creamy garlic sauce over the chicken and pasta, making sure to cover everything thoroughly so the pasta cooks properly. Sprinkle the shredded cheddar and mozzarella cheeses evenly over the top of the dish.
    Look for The sauce should completely coat the pasta and chicken before adding the cheese.
    Tip Covering the dish with foil for the first 20 minutes can help ensure the pasta is fully cooked and tender.

The dish should now be completely covered in the creamy garlic sauce, with no dry pasta visible. The layer of cheese on top should be thick and even. Verify that the sauce has reached the edges of the baking dish, as this moisture is necessary to steam the pasta and chicken properly throughout the entire baking cycle.

Baking until golden

  1. Bake and Serve
    Place the baking dish in the oven and bake until the cheese is melted and bubbling, and the chicken reaches an internal temperature of 165°F (74°C). Remove from the oven and let it rest for 5 minutes before serving to allow the sauce to thicken slightly.
    Look for The top should be golden brown and the edges bubbling vigorously.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Use a meat thermometer inserted into the thickest piece of chicken to verify it is fully cooked.

The final phase is complete when the cheese is melted, bubbly, and golden brown. The kitchen should smell fragrant with the aroma of garlic and toasted cheese.

Once you confirm the internal temperature of the chicken, remove the dish from the oven and allow it to rest. The sauce will continue to thicken and reach its final, perfect texture during this time.

Common mistakes

Avoid using pasta shapes that are too large, as they may not cook through evenly in the sauce. Do not skip the resting period after removing the dish from the oven; this step is crucial for the sauce to settle and reach the ideal consistency.

Furthermore, ensure the chicken is cut into uniform, bite-size pieces to prevent some parts from being overcooked while others remain under-done. Finally, do not overcrowd the dish, as this can prevent the cheese from browning properly.

How to tell it’s done

The dish is perfectly done when the sauce is bubbling around the edges and the cheese topping has reached a deep golden brown color. Most importantly, use a food thermometer to check that the chicken has reached an internal temperature of at least 165°F (74°C).

The pasta should be tender but not mushy, and the sauce should have thickened into a rich, creamy consistency that clings to the shells.

  • Poultry: 165°F (74°C) in the thickest part

Coming up in Part 3: common questions

  • Can this dish be made ahead of time?
  • Why does the pasta sometimes come out too soft?
  • Is it possible to use pre-cooked chicken?

Also in Part 3: variations (Spinach and Mushroom, Spicy Cajun Style), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)