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Dinner · Part 2 of 3: Instructions

Crockpot Chicken Spinach Tortellini Alfredo Step-by-step instructions

Creamy Crockpot chicken spinach tortellini Alfredo with melted mozzarella and cream cheese, served in a black slow cooker.
Prep
Cook
Total
Serves
6

Before you start

Before you start, cut the chicken breast tenderloins into bite-size pieces and slice the cremini mushrooms if they are not already sliced. Soften the cream cheese by leaving it at room temperature for about 30 minutes.

Have all your ingredients measured and ready to go. This recipe is truly dump-and-go, so there is no need to pre-cook anything. Just make sure your slow cooker is clean and ready to use.

Ingredients at a glance (6)
  • 2 lb chicken breast tenderloins, cut into bite-size pieces
  • 20 oz refrigerated spinach-and-cheese tortellini
  • 8 oz cremini mushrooms, sliced
  • 15 oz Alfredo sauce
  • 8 oz cream cheese, softened
  • 2 cups shredded whole-milk mozzarella

Instructions

Layer and Load

  1. Layer the ingredients
    Place the chicken pieces in the bottom of a 6-quart slow cooker. Spread the tortellini over the chicken, then scatter the sliced mushrooms on top. Pour the Alfredo sauce evenly over everything.
    Look for The ingredients sit in distinct layers, with the sauce pooling around the edges.
    Tip No need to stir yet; layering helps the chicken cook evenly and the tortellini stay tender.
  2. Add the cheese
    Place the block of cream cheese in the center of the slow cooker. Sprinkle the shredded mozzarella evenly over the top.
    Look for The cream cheese sits like a soft island in the middle, surrounded by the mozzarella.
    Tip Soften the cream cheese beforehand so it melts more smoothly into the sauce.

At the end of this phase, your slow cooker holds neat layers of chicken, tortellini, mushrooms, and Alfredo sauce, topped with a block of cream cheese and a shower of mozzarella.

The ingredients look vibrant and colorful, and the sauce pools around the edges. Everything is ready to cook; you should see no dry spots, and the cream cheese sits prominently in the center.

Slow Cook

  1. Cook on low
    Cover the slow cooker and cook on low for 4 hours, or until the chicken is cooked through and the tortellini is tender. Do not open the lid during cooking to keep the heat steady.
    Look for The sauce is bubbling gently around the edges and the cheese is fully melted.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip If the sauce looks thin at first, it will thicken as the cheese melts and the pasta releases starch.
  2. Check the chicken
    After 4 hours, check that the chicken is cooked through by inserting an instant-read thermometer into a few pieces. The temperature should read at least 165°F (74°C).
    Look for The chicken is opaque and shreds easily with a fork.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip If the chicken is not done, cover and cook for another 30 minutes, then check again.

After 4 hours on low, the slow cooker is bubbling gently around the edges. The aroma of garlic, cheese, and herbs fills the kitchen. The chicken is cooked through, the tortellini is tender, and the sauce is creamy and smooth. The mozzarella has melted into a golden, bubbly layer. The dish looks like a hearty, comforting casserole ready to be served.

Stir and Serve

  1. Stir and serve
    Stir the mixture gently to combine the melted cream cheese and mozzarella into the sauce. Spoon the pasta and chicken onto plates or bowls, making sure to get a good scoop of the creamy sauce and cheese.
    Look for The sauce is thick and creamy, and the cheese stretches as you spoon it out.
    Tip Serve immediately while hot; the sauce will continue to thicken as it sits.

Once you stir, the sauce turns a uniform pale yellow, with ribbons of melted mozzarella and creamy cheese. The chicken pieces are juicy and tender, and the tortellini are plump and coated in sauce. The mushrooms are soft and add earthy bites. The dish is steaming hot and ready to plate. A spoonful should hold together with a satisfying cheese pull.

Common mistakes

One common mistake is opening the slow cooker lid too often, which lets out heat and extends cooking time. Another is using frozen chicken, which can make the dish watery and unevenly cooked.

Overcooking can turn the tortellini mushy and the chicken dry, so check at the 4-hour mark. Also, adding too much mozzarella can make the sauce greasy, so stick to the amount listed. Finally, do not stir the ingredients before cooking; the layering is important for even cooking.

How to tell it’s done

The dish is done when the chicken is cooked through and reaches an internal temperature of 165°F (74°C) on an instant-read thermometer. The tortellini should be tender but not mushy, and the sauce should be hot and bubbling.

The cream cheese and mozzarella should be fully melted and incorporated into the sauce, giving it a rich, creamy consistency. If the sauce seems too thin, let it cook uncovered for another 15-20 minutes to thicken.

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

Coming up in Part 3: common questions

  • Can this recipe be made with frozen chicken?
  • Why does the sauce sometimes turn out thin?
  • Can this recipe be cooked on high instead of low?
  • What can be used instead of Alfredo sauce?
  • Is it necessary to stir the ingredients before cooking?

Also in Part 3: variations (Add spinach, Spicy kick, Chicken thighs, Garlic lovers), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

4 variations · storage & make-ahead · 5 answers · printable card

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