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Irish Colcannon Potato Soup – The Best Potato Soup Recipe

By Lily

October 1, 2025

Potato Soup is a timeless comfort food, but Irish colcannon potato soup brings a rustic and earthy twist. Inspired by the traditional Irish dish of colcannon, this creamy soup combines buttery potatoes with tender cabbage and fresh green onions for a satisfying and wholesome meal. It’s one of the best potato soup recipes to enjoy during fall soup season, offering both nourishment and comfort in every spoonful.


Ingredients

  • 4 large russet potatoes, peeled and diced
  • 2 tablespoons butter
  • 1 tablespoon olive oil
  • 1 medium onion, finely chopped
  • 2 cloves garlic, minced
  • 2 cups shredded green cabbage
  • 4 cups vegetable broth
  • 2 cups whole milk
  • 1 cup heavy cream
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon thyme (optional)
  • 4 green onions, sliced (plus extra for garnish)
  • Fresh parsley (for garnish)

Instructions

  1. Prepare the potatoes: Peel and dice the potatoes into cubes.
  2. Sauté the aromatics: In a large pot, melt butter with olive oil. Add the onion and garlic, cooking until softened.
  3. Cook the cabbage: Stir in shredded cabbage and sauté for 3–4 minutes until tender.
  4. Add the potatoes: Mix in diced potatoes, broth, salt, pepper, and thyme. Bring to a boil, then reduce heat and simmer for 15–20 minutes until potatoes are soft.
  5. Blend the base: Use an immersion blender to puree most of the soup, leaving some chunks for texture.
  6. Finish with creaminess: Stir in milk, cream, and green onions. Simmer gently for 5 more minutes.
  7. Serve: Ladle into bowls and garnish with parsley and extra green onions.

Health Benefits of Potato Soup

Irish colcannon potato soup is both comforting and nutritious:

  • Potatoes provide vitamin C, potassium, and fiber, supporting energy and digestion.
  • Cabbage is rich in antioxidants and vitamin K, promoting heart and bone health.
  • Green onions add freshness and natural antioxidants, enhancing flavor without heaviness.
  • Balanced ingredients make this a wholesome meal that’s satisfying yet not overly heavy.

Serving Suggestions

This soup is delicious with warm soda bread, crusty baguette, or a fresh garden salad. For added protein, you can stir in shredded chicken or white beans. It also makes a great starter for festive dinners, adding a rustic Irish touch to your table.


Storage Tips

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat on the stovetop over medium-low heat, stirring in extra milk or broth if needed. This soup also freezes well — cool completely before transferring to freezer-safe containers for up to 2 months.


Conclusion

Irish colcannon potato soup is a delicious way to enjoy the best potato soup with a cultural twist. Creamy, earthy, and full of comfort, it brings together potatoes, cabbage, and green onions for a dish that feels rustic yet cozy. Save this recipe now and add it to your fall soup recipes collection for a taste of Ireland in every bowl.

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