Slow Cooker Parmesan Chicken Marinara Tortellini Step-by-step instructions

Before you start

Before you start, cut the chicken breasts into bite-sized cubes and have the tortellini and marinara sauce ready. Grate the Parmesan if you bought a wedge.

No need to pre-cook anything — the slow cooker handles it all. Make sure your slow cooker is clean and dry, and have the lid ready. This recipe is truly dump-and-go, so the only prep is measuring and layering.

Instructions

Layer Everything

1. 1Layer the Ingredients
   Place the cubed chicken breasts in the bottom of a 6-quart slow cooker. Spread them into an even layer. Pour the refrigerated tortellini over the chicken, then pour the marinara sauce over the tortellini, covering as much as possible. Do not stir.
   Look for The chicken is covered with tortellini and sauce, with the sauce pooling around the edges.
   Tip No need to stir — layering keeps the tortellini from overcooking.
2. 2Add the Cheeses
   Sprinkle the shredded Italian cheese blend evenly over the top of the sauce. Finish with the grated Parmigiano-Reggiano, covering the surface completely.
   Look for The top is covered with a thick layer of shredded and grated cheese.
   Tip The cheese forms a golden crust as it melts.

The slow cooker is filled with chicken, tortellini, and sauce, topped with a thick layer of cheese. The sauce spreads around the edges, and the cheese looks like a snowy blanket. This phase takes just minutes and requires no cooking.

Slow Cook

3. 3Slow 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 lift the lid during cooking.
   Look for The sauce is bubbling gently around the edges and the cheese has melted into a golden layer.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip Resist the urge to peek — every time the lid is lifted, heat escapes and cooking time increases.

After 4 hours on low, the sauce is gently bubbling, the cheese has melted into a golden crust, and the kitchen smells like a cozy Italian restaurant. The chicken is cooked through and the tortellini are plump.

Serve and Enjoy

4. 4Check and Serve
   After 4 hours, check that the chicken is cooked through by inserting an instant-read thermometer into a few pieces; it should register at least 165°F (74°C). Stir gently to combine the sauce and cheese, then serve hot.
   Look for The chicken is tender and the sauce is thick and bubbling.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip Stir just a few times to keep the tortellini intact.

The dish is bubbling hot, the cheese is stretchy and golden, and the chicken is tender. A spoonful lifts up a perfect mix of pasta, chicken, and sauce — ready to be served on plates or bowls.

Common mistakes

The most common mistake is lifting the lid to check on the dish — this releases heat and extends cooking time. Another is overcooking the tortellini, which can turn mushy.

Stick to the recommended time and check only at the end. Also, don't stir during cooking; the layering is key. If the sauce seems too thin at the end, leave the lid off for 10 minutes to let it reduce.

How to tell it’s done

The dish is done when the chicken registers at least 165°F (74°C) on an instant-read thermometer and the tortellini are tender with no raw flour taste.

The sauce should be bubbling and the cheese melted into a golden, slightly browned crust.

If the tortellini are still firm, cook for 15 more minutes and check again. Let it rest for 5 minutes before serving to allow the sauce to thicken slightly.

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