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Dinner · Part 2 of 3: Instructions

Creamy Crockpot Irish Colcannon Soup with Bacon Step-by-step instructions

A close-up of creamy Colcannon soup in a white bowl, showing gold potato cubes, cabbage, and bacon.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure all vegetables are thoroughly washed and dried. Peel the gold potatoes and cut them into uniform one-inch cubes to ensure even cooking. Shred the cabbage into thin, manageable ribbons, removing any tough core pieces.

If the bacon is not already cooked, crisp it in a skillet until golden, then crumble it into small, bite-sized pieces. Set out your slow cooker on a heat-resistant surface and gather all your measured ingredients, including the onion powder, black pepper, and your creamy broth, so everything is ready for the assembly phase.

Ingredients at a glance (6)
  • 2 lbs gold potatoes, peeled and cubed
  • 1 head green cabbage, shredded
  • 4 slices bacon, cooked and crumbled
  • 1 tsp onion powder
  • 1/4 tsp black pepper
  • 4 cups creamy broth

Instructions

Base Layering

  1. Prepare the slow cooker base
    Place the cubed gold potatoes into the bottom of the slow cooker insert. Ensure they are distributed evenly to allow for consistent cooking throughout the process.
    Look for Potatoes should form a flat, even layer at the base.
    Tip Cut potatoes into uniform one-inch cubes so they cook at the same rate.

At this stage, the slow cooker insert should contain an even, flat layer of gold potato cubes. The potatoes should be clean and uniform in size. Check that the bottom of the insert is completely covered to ensure the potatoes are in direct contact with the base, which allows them to begin softening as soon as the heat is applied.

Ingredient Assembly

  1. Layer the soup ingredients
    Pile the shredded green cabbage on top of the potatoes. Add the crumbled cooked bacon, followed by the onion powder and black pepper. Finally, pour the creamy broth over the mixture, ensuring everything is moistened.
    Look for The broth should just cover the cabbage and bacon.
    Tip Adding the ingredients in layers prevents the cabbage from burning against the bottom of the insert.

The slow cooker should now be filled with the shredded cabbage, crumbled bacon, and seasonings. The creamy broth has been poured over the top, and all ingredients should look moist. Ensure the cabbage is piled high but contained within the insert; it will wilt down significantly as it cooks, making room for the flavors to meld together.

Final Cooking

  1. Cook and serve
    Cover the slow cooker and cook on low for 4 to 6 hours or on high for 2 to 3 hours until the potatoes are tender and the cabbage is soft. Stir gently to combine before serving warm in shallow bowls.
    Look for Potatoes should be fork-tender and the soup should appear creamy and cohesive.
    Tip Let the soup rest for five minutes after cooking to allow the flavors to meld perfectly before serving.

The soup is finished when the liquid has thickened slightly and the potatoes are soft to the touch. The cabbage should be fully wilted and incorporated into the creamy broth.

The entire mixture should be hot, fragrant, and have a uniform consistency when stirred gently. Ensure all components are well-distributed before serving the soup into individual bowls.

Common mistakes

One common mistake is cutting the potato cubes too large, which prevents them from cooking through in the same time as the cabbage. Another error is over-salting the dish; since bacon is naturally salty, it is always better to season at the very end.

Avoid lifting the slow cooker lid frequently during the cooking process, as this releases necessary steam and heat, which can significantly extend the cooking time and result in unevenly cooked vegetables and a less creamy broth texture overall.

How to tell it’s done

The soup is ready when the gold potatoes reach a fork-tender state, meaning they can be easily pierced with a fork without resistance. The cabbage should be soft and translucent, having fully integrated into the creamy base.

Because this recipe does not contain raw proteins, you do not need to worry about specific internal temperatures for safety; however, the soup should be steaming hot throughout, reaching at least 165°F (74°C) to ensure the flavors are properly developed and the texture is consistent across the entire pot.

Coming up in Part 3: common questions

  • Can this soup be made on the stovetop instead of a slow cooker?
  • Why is it important to use gold potatoes?
  • How can the soup be thinned if it becomes too thick?

Also in Part 3: variations (Leek and Potato Soup, Vegetarian Colcannon Soup), 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)