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Dinner · Part 2 of 3: Instructions

Creamy Bacon Swiss Onion Chowder Step-by-step instructions

A steaming bowl of creamy onion chowder topped with melted Swiss cheese and crispy bacon bits.
Prep
Cook
Total
Serves
4

Before you start

Before beginning, ensure that the slow cooker is placed on a heat-resistant surface and that the power cord is unobstructed. Dice the bacon into uniform, bite-sized pieces to ensure even cooking and easier consumption. Measure out the beef broth and have the soup mix packet ready to open. If the Swiss cheese is in block form, take a few minutes to shred it finely, as this will help it melt more evenly when added to the individual bowls at the end of the cooking process.

Ingredients at a glance (5)
  • 8 oz diced bacon
  • 2 cups sliced yellow onions
  • 1 packet dried onion soup mix
  • 4 cups beef broth
  • 1 cup shredded Swiss cheese

Instructions

Layering the ingredients

  1. Assemble ingredients
    Place the diced bacon into the bottom of the slow cooker, then scatter the sliced yellow onions evenly over the bacon. Sprinkle the packet of dried onion soup mix over the onions.
    Look for Ensure the ingredients are layered evenly for consistent cooking.
    Tip Using a slow cooker with a removable insert makes cleanup significantly easier after the meal is finished.

At the end of this phase, the bacon and onions should be evenly distributed at the bottom of the slow cooker, with the soup mix sprinkled across the surface. This creates the foundation for the flavors to develop. Ensure there is no debris on the rim of the slow cooker insert, as this can burn during the long cooking time. Once the broth is poured, double-check that the ingredients are mostly submerged to ensure they cook evenly without drying out or becoming leathery.

Slow cooking process

  1. Add liquid and cook
    Pour the beef broth over the layered ingredients in the slow cooker. Cover and cook on low for 4 to 6 hours or on high for 2 to 3 hours until the onions are tender and the flavors are fully melded.
    Look for The onions should be very soft and translucent when finished.
    Tip Avoid lifting the lid during the cooking process to keep the temperature steady and ensure even cooking.

During this phase, the slow cooker will do all the work. The kitchen will fill with a savory, onion-rich aroma. Check the chowder halfway through the cooking time to ensure the liquid has not reduced too much, though this should not be an issue with a standard slow cooker.

The onions should be visibly softening, and the liquid should be turning into a rich, dark broth. Do not remove the lid unnecessarily, as this releases heat and moisture that are crucial for the proper texture.

Finishing and serving

  1. Finish and serve
    Ladle the hot chowder into individual bowls and top each serving generously with the shredded Swiss cheese. Let the heat of the soup melt the cheese slightly before serving.
    Look for The cheese will begin to melt and stretch as it hits the hot liquid.
    Tip Serve immediately while the soup is steaming hot for the best texture and flavor experience.

The final phase involves preparing the bowls and adding the cheese. The soup should be piping hot, and the onions should be completely tender. When you ladle the chowder, ensure each portion gets a good amount of the bacon and onion mixture.

The Swiss cheese must be added immediately before serving so that it melts into a beautiful, gooey layer on top. If the cheese is not melting fast enough, give it a quick stir, but remember that the visual appeal is improved by leaving it on top.

Common mistakes

A common mistake is overcrowding the slow cooker with ingredients that do not need to be there, which can prevent the soup from reaching the proper temperature. Ensure that the broth is added last to submerge the ingredients fully, as exposed onions on the top may dry out if not covered by the liquid.

Another error is adding the cheese too early; the cheese must be added only when serving to avoid it separating or becoming oily, which can happen if it is boiled for too long within the broth.

How to tell it’s done

The chowder is ready when the onions are thoroughly tender and have softened into the broth, which should be aromatic and savory. The bacon should be fully cooked through and have contributed its fat to the liquid, providing a rich mouthfeel.

Because this recipe does not contain raw proteins that require specific internal temperature monitoring, visual cues are the best indicator of doneness. The broth should be steaming and well-combined, with the flavors harmonized and the onions translucent and soft.

Coming up in Part 3: common questions

  • Can this chowder be made without a slow cooker?
  • Why is the cheese added at the very end?
  • Is it possible to use turkey bacon instead of regular bacon?

Also in Part 3: variations (Garlic Herb Chowder, Spicy Bacon Chowder), 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)