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Dinner · Part 2 of 3: Instructions

Creamy Crockpot Chicken Spinach Tortellini Step-by-step instructions

Creamy crockpot chicken spinach tortellini in a black slow cooker, topped with melted Italian cheeses
Prep
Cook
Total
Serves
6

Before you start

Before starting, gather all the ingredients. If using jarred Alfredo sauce, give it a good stir. Slice the cremini mushrooms if they aren't pre-sliced. Grate the Parmigiano-Reggiano if not already grated. You'll need a 6- to 7-quart slow cooker.

There's no need to pre-cook anything—this recipe is truly dump-and-go. Make sure the chicken tenderloins are thawed if previously frozen, and pat them dry with paper towels to help the sauce cling better.

Ingredients at a glance (6)
  • 2 lb chicken breast tenderloins
  • 20 oz refrigerated spinach-and-cheese tortellini
  • 8 oz cremini mushrooms, sliced
  • 24 oz jarred Alfredo sauce
  • 2 cups shredded Italian four-cheese blend
  • 1/2 cup freshly grated Parmigiano-Reggiano

Instructions

Layer and Set

  1. Layer the Ingredients
    Place the chicken breast tenderloins in the bottom of a 6- to 7-quart slow cooker in a single layer. Scatter the spinach tortellini and sliced cremini mushrooms over the chicken. Pour the Alfredo sauce over everything, making sure the sauce covers the tortellini and mushrooms as much as possible. Do not stir.
    Look for The chicken is covered with tortellini, mushrooms, and sauce.
    Tip Use refrigerated tortellini for the best texture; frozen may become mushy.
  2. Add the Cheeses
    Sprinkle the shredded Italian four-cheese blend evenly over the top, followed by the grated Parmigiano-Reggiano. Do not stir; the cheese will melt and form a golden crust during cooking.
    Look for The top is covered with a thick layer of shredded and grated cheeses.
    Tip Grating the Parmesan fresh gives the best flavor and melt.

At the end of this phase, the slow cooker is filled with layers of chicken, tortellini, mushrooms, and sauce, topped with a generous layer of shredded and grated cheeses. The ingredients are not stirred, and the cheese forms a solid blanket over the top. The slow cooker is ready to be turned on.

Slow Cook to Perfection

  1. Cook on Low
    Cover the slow cooker and cook on low for 4 hours, or until the chicken is cooked through and registers 165°F (74°C) on an instant-read thermometer. The tortellini should be tender and the sauce bubbly around the edges.
    Look for The sauce is bubbling and the cheese is melted and golden.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Avoid lifting the lid during cooking to keep the heat steady.

After 4 hours on low, the sauce is bubbling gently around the edges, and the cheese has melted into a golden, slightly crispy crust. The aroma of garlic, herbs, and cheese fills the kitchen.

The chicken is cooked through, and the tortellini are tender. The mixture looks creamy and cohesive, with the sauce slightly thickened.

Stir and Serve

  1. Stir and Serve
    Once the chicken is done, gently stir the mixture to combine the sauce and cheese. Serve hot, spooning onto plates or bowls. The tortellini will be tender and the chicken will shred easily with a fork.
    Look for The sauce is creamy and the cheese is fully melted.
    Tip For a thicker sauce, let the dish sit uncovered for 10 minutes before serving.

After stirring, the sauce is creamy and coats the chicken and tortellini evenly. The cheese is fully incorporated, creating a luscious, rich texture. The dish is steaming hot, and the flavors have melded together beautifully. Serve immediately, garnished with extra Parmesan if desired.

Common mistakes

One common mistake is lifting the lid to check on the food, which releases heat and extends cooking time. Resist the urge! Another is overcooking, which can cause the tortellini to become mushy and the chicken to dry out. Stick to the recommended 4 hours on low.

Also, be sure to layer the ingredients as directed—don't stir before cooking, as that can cause the cheese to stick to the bottom and burn. Finally, use a good-quality Alfredo sauce; a thin, watery sauce will result in a less creamy dish.

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 still hold their shape, and the sauce should be bubbly and slightly thickened.

The cheese on top should be melted and golden in spots. If the sauce seems too thin, let the dish sit uncovered for 10-15 minutes to allow it to thicken as it cools slightly.

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

Coming up in Part 3: common questions

  • Can this recipe be made in advance?
  • Why is the tortellini mushy?
  • Can this be cooked on high instead of low?
  • How can the sauce be thickened?
  • Can this recipe be frozen?

Also in Part 3: variations (Add Greens, Spicy Kick, Swap the Protein, Vegetarian Version), 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)