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Dinner · Part 2 of 3: Instructions

Slow-Cooker Mozzarella Green Bean Turkey Breast Step-by-step instructions

Slow cooker full of creamy mozzarella turkey and green beans, with steam rising
Prep
Cook
Total
Serves
4

Before you start

Before starting, gather all ingredients and measure them out. If using a whole turkey breast, slice it into 1/2-inch thick cutlets. Trim the green beans if needed.

Cook the penne pasta according to package directions, then toss with a little garlic butter to keep it from sticking. Have the cream of onion soup, shredded mozzarella, and garlic herb butter ready to go. No need to preheat anything—the slow cooker does the work.

Ingredients at a glance (6)
  • 1 1/2 lb boneless turkey breast cutlets
  • 1 lb fresh French green beans, trimmed
  • 1 can (10.5 oz) condensed cream of onion soup
  • 1 1/2 cups shredded whole-milk mozzarella cheese
  • 2 tbsp garlic herb butter (or 2 tbsp butter mixed with 1/2 tsp garlic powder and 1/2 tsp dried herbs)
  • 8 oz penne pasta, cooked al dente and tossed with garlic butter

Instructions

Layer and Set

  1. Layer the Ingredients
    Place the turkey breast cutlets in the bottom of a 6-quart slow cooker in a single layer. Scatter the trimmed green beans over and around the turkey. Spoon the condensed cream of onion soup over the top, spreading it slightly to cover some of the turkey and beans.
    Look for The turkey is covered with soup, and the beans are tucked around the edges.
    Tip If the cutlets are thick, slice them horizontally into thinner pieces for even cooking.
  2. Add Cheese and Butter
    Sprinkle the shredded mozzarella evenly over the top of the soup mixture. Place the garlic herb butter in small pats on top of the cheese. Do not stir; the layers will meld during cooking.
    Look for The cheese covers the surface, with butter pats melting slightly.
    Tip Resist stirring—layering keeps the turkey moist and the sauce creamy.

After layering, the slow cooker contains turkey cutlets, green beans, soup, mozzarella, and butter. The cheese is visible on top, and the butter pats are starting to soften.

The raw ingredients look vibrant: pink turkey, bright green beans, and white cheese. This is the calm before the slow cooker works its magic.

Slow Cook and Shred

  1. Cook on Low
    Cover the slow cooker and cook on LOW for 4 to 5 hours, or until the turkey is cooked through and easily shreds with a fork. The internal temperature of the turkey should reach 165°F (74°C) in the thickest part.
    Look for The sauce is bubbling gently at the edges and the turkey is tender.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Check the turkey at the 4-hour mark; slow cookers vary, so adjust time as needed.
  2. Shred the Turkey
    Once the turkey is fully cooked, remove the cutlets to a cutting board and shred with two forks. Return the shredded turkey to the slow cooker and stir gently to combine with the sauce and green beans.
    Look for The turkey shreds easily and the sauce is creamy with melted cheese.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Keep the slow cooker on WARM while shredding to keep everything hot.

The slow cooker is bubbling gently, filling the kitchen with a savory, garlicky aroma. The turkey is tender and pulls apart easily, the green beans are dark green and tender-crisp, and the sauce is creamy and thick. The cheese has melted into the sauce, creating a glossy, appetizing texture.

Serve and Enjoy

  1. Serve Over Pasta
    Spoon the hot turkey and green bean mixture over the prepared garlic butter penne pasta. Serve immediately, with extra sauce spooned over the top.
    Look for The creamy sauce coats the pasta and the turkey is tender.
    Tip For a low-carb option, serve over cauliflower rice or mashed potatoes.

The final dish is a generous scoop of saucy turkey and green beans over garlic butter penne. The sauce clings to the pasta, and the turkey is moist and flavorful. The presentation is homestyle and inviting, with a rich, creamy appearance that promises comfort.

Common mistakes

One common mistake is lifting the lid too often during cooking, which releases heat and extends cooking time. Another is stirring the ingredients before cooking; this can break up the turkey and make the sauce watery.

Using low-fat or fat-free soup can result in a thinner sauce, so stick with condensed regular. Overcooking can make the green beans mushy and the turkey dry; check at the minimum time. Finally, don't skip the garlic herb butter—it adds essential flavor.

How to tell it’s done

The dish is done when the turkey is fork-tender and easily shreds, and the internal temperature registers 165°F (74°C) on an instant-read thermometer inserted into the thickest part of the meat.

The green beans should be tender but still have a slight bite. The sauce will be bubbly and thickened, with the cheese fully melted and incorporated. If the sauce seems too thin, remove the lid and cook on HIGH for 15–20 minutes to reduce.

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

Coming up in Part 3: common questions

  • Can this recipe be made with frozen green beans?
  • What can be used instead of cream of onion soup?
  • How can the sauce be thickened if it's too thin?
  • Can this dish be made on high heat instead of low?
  • Is it necessary to brown the turkey before slow cooking?

Also in Part 3: variations (Chicken Version, Creamy Mushroom Twist, Spicy Kick, Low-Carb Option), 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)