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Dinner · Part 2 of 3: Instructions

Easy Slow Cooker French Onion Gnocchi with Melted Swiss Step-by-step instructions

A close-up of a bowl filled with soft potato gnocchi in a rich, onion-filled broth topped with melted, bubbly Swiss cheese.
Prep
Cook
Total
Serves
4

Before you start

Before beginning, ensure the slow cooker insert is clean and dry. Prepare the onions by slicing them into thin, uniform strips to promote even cooking and a consistent texture. Ensure all ingredients are measured out and ready to be added to the slow cooker.

If using a large block of Swiss cheese, shred it using a box grater and set it aside in the refrigerator until it is time to add it to the dish, keeping it cool to maintain its texture.

Ingredients at a glance (5)
  • 1 lb potato gnocchi
  • 2 cups sliced onions
  • 1 packet onion soup mix
  • 2 cups beef broth
  • 1 cup shredded Swiss cheese

Instructions

Layering and preparation

  1. Layer the ingredients
    Place the potato gnocchi in the bottom of the slow cooker insert. Evenly scatter the sliced onions over the gnocchi. Sprinkle the packet of onion soup mix over the onions, then pour the beef broth over the entire mixture to ensure everything is evenly moistened.
    Look for The broth should just barely cover the gnocchi and onion layer to allow for proper steaming during the cooking process.
    Tip Ensure the onions are spread in an even layer to help them soften and caramelize slightly during the slow cooking process.

At the end of this phase, the ingredients should be neatly layered in the slow cooker. The gnocchi should be at the bottom, topped by a uniform layer of onions, soup mix, and broth.

Ensure that all components are arranged without mixing them, as this initial layering is crucial for the subsequent cooking process to occur properly.

Slow cooking cycle

  1. Slow cook the dish
    Cover the slow cooker with the lid. Cook on high for approximately 3 hours, or until the gnocchi are tender and the onions have softened completely, creating a rich sauce with the beef broth and soup mix.
    Look for The gnocchi should be soft to the touch and the liquid should be reduced to a thick, savory sauce that coats the pasta.
    Tip Avoid lifting the lid too frequently, as this releases the trapped heat and steam necessary for cooking the gnocchi evenly.

During this phase, the slow cooker works to steam and braise the ingredients. The kitchen should begin to smell savory and aromatic as the onions soften and the broth reduces. Check that the lid remains securely in place to maintain the necessary temperature and moisture levels for perfectly cooked, pillowy gnocchi.

Melting the cheese

  1. Add cheese and serve
    Once the cooking time is complete, sprinkle the shredded Swiss cheese over the top of the hot gnocchi. Replace the lid for another 3 to 5 minutes, or until the cheese is melted and bubbling, then serve immediately.
    Look for The cheese should be completely melted and glossy, creating a stretchy, golden layer on top of the cooked gnocchi and onion mixture.
    Tip If the cheese does not melt fully, leave the lid on for an additional minute or two until the desired consistency is achieved.

The final phase focuses on the cheese topping. After adding the shredded Swiss, the cheese should melt into a smooth, gooey layer over the hot gnocchi mixture. Once the cheese is bubbling and fully incorporated, the dish is ready to be served immediately, ensuring the best texture and flavor for the meal.

Common mistakes

A common mistake is overcrowding the slow cooker, which can prevent the gnocchi from cooking evenly. Ensure there is enough space for the liquid to circulate.

Another error is failing to spread the ingredients evenly, as this can lead to pockets of undercooked gnocchi or uneven seasoning distribution. Finally, avoid using high-sodium soup mixes if sensitive to salt, as the broth itself will contribute to the overall salinity of the final dish.

How to tell it’s done

The dish is done when the gnocchi are tender and have absorbed enough liquid to become plump. The onions should be soft and translucent, having integrated with the broth to form a thick, cohesive sauce.

The Swiss cheese must be completely melted, with a glossy, bubbly appearance that signifies it is ready to be served. If the liquid appears too thin, allow it to cook for an additional ten minutes uncovered to reduce.

Coming up in Part 3: common questions

  • Can this be made with fresh gnocchi instead of store-bought?
  • Why is the cheese added at the very end?
  • Is it possible to use a different type of broth?

Also in Part 3: variations (Mushroom French Onion Gnocchi, Herb-Infused Gnocchi), 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)