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Dinner · Part 2 of 3: Instructions

Crockpot Mushroom Swiss Meatballs for an Easy Dinner Step-by-step instructions

A close-up of tender meatballs smothered in a creamy mushroom and Swiss cheese sauce in a slow cooker.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Before you start

Before starting, ensure the slow cooker insert is clean and dry. Have all ingredients measured and ready to go. If using a frozen bag of meatballs, keep them in the freezer until the very last moment to maintain their structure.

Clear enough counter space to accommodate the slow cooker and all the necessary mixing bowls. Check that the mushrooms are sliced evenly to ensure they cook at the same rate.

Ingredients at a glance (6)
  • 2 lbs frozen precooked turkey meatballs
  • 8 oz sliced raw white mushrooms
  • 1 tsp onion powder
  • 1 can (10.5 oz) condensed cream of mushroom soup
  • 1/2 cup beef broth
  • 1 cup shredded Swiss cheese

Instructions

Layering the base

  1. Assemble the slow cooker
    Place the frozen turkey meatballs into the slow cooker insert. Scatter the sliced mushrooms evenly over the meatballs and sprinkle the onion powder on top to ensure even seasoning.
    Look for Ensure the mushrooms are distributed across the surface of the meatballs.
    Tip Layering the ingredients helps the flavors mingle during the slow cooking process.

At this stage, the slow cooker should be filled with the meatballs and mushrooms, with the onion powder sprinkled evenly over the top. Everything looks organized and ready to receive the sauce.

Ensure the meatballs are distributed in a single layer or slightly overlapping, but not packed too tightly, to allow the heat to circulate properly.

Adding the sauce

  1. Add the creamy sauce
    In a separate bowl, whisk together the condensed cream of mushroom soup, beef broth, and shredded Swiss cheese until combined. Spoon the mixture over the meatballs and mushrooms in the slow cooker.
    Look for The sauce should be thick and well-combined before pouring.
    Tip Mixing the sauce ingredients before adding them ensures the cheese melts evenly into the soup base.

The sauce mixture should be smooth, thick, and well-combined before being poured over the meatballs. Once poured, it should coat the top layer of the ingredients. The aroma of the beef broth and mushroom soup will be evident. Check that no dry pockets of onion powder remain on the surface before placing the lid on.

Slow cooking

  1. Cook and serve
    Cover the slow cooker and cook on low for 4 hours. Ensure the meatballs reach an internal temperature of 160°F (71°C). Let the dish rest for 5 minutes before serving.
    Look for The sauce will be bubbly and the meatballs tender.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip If the sauce is too thick after cooking, stir in a small amount of warm water or broth.

The final phase is characterized by the rich, savory smell of the mushrooms and cheese filling the kitchen. The sauce will have transformed from a thick paste into a smooth, creamy gravy that coats the meatballs. The meatballs should be hot throughout, and the mushrooms should be soft and tender to the touch.

Common mistakes

Avoid overcooking the meatballs, as they can become tough or lose their shape if left in the slow cooker for too long. Do not skip the step of mixing the sauce ingredients separately, as this prevents lumps of cheese or soup from forming.

Ensure the mushrooms are not sliced too thin, or they may disintegrate completely during the long cooking time. Finally, do not lift the lid frequently, as this releases heat and increases the cooking time.

How to tell it’s done

The meatballs are done when they are heated through and reach an internal temperature of 160°F (71°C). The sauce should be thick, creamy, and bubbling.

The mushrooms will be tender and fully integrated into the sauce. If you are unsure about the temperature, use a digital meat thermometer inserted into the center of one of the largest meatballs.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made with fresh meatballs instead of frozen?
  • Why is the sauce separating?
  • Can other types of cheese be used?

Also in Part 3: variations (Garlic Herb Meatballs, Spicy Swiss Meatballs), 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)