Mashed Potato Colcannon is an Irish dish of mashed potatoes mixed with green vegetables, leeks, cream, and butter. You will find this dish on St. Patrick’s Day.

This Irish specialty does have many variations in each region. So don’t be surprised if you will find something different if you taste this menu in several areas. Some regions use cabbage and nipple onions.

Others add kale, turnips, spring onions, and even other spices. So, what are the ingredients, and how to make them? Check out the steps to make this Irish potato dish below!

How To Make Mashed Potato Colcannon

Here are the ingredients and how to make the delicious Irish Potato Colcannon:

Ingredients to Make Irish Potato Colcannon:

  • 2 – 2.5 Pon Russet Potatoes (4 pieces): To get a creamy mashed potato texture, use starchy potatoes, or you can also use Russet potatoes.
  • 1 Cup Milk or Cream: We recommend using real cow’s milk, or you can also use nut milk or cream.
  • 6 Tablespoons Butter: use Irish butter for an authentic flavor.
  • Three cups of greens: To get the green color, you can use kale, cabbage, kale, turnips, or something else.
  • ½ cup green onions: The light freshness of the spring onions will add a delicious flavor to these mashed potatoes.
  • Salt and Pepper: To add flavor to the mashed potato to make it more salty and savory.


Steps to make Irish Potato Colcannon:

  • Boil Potatoes
    Boil the potatoes by adding two tablespoons of salt and heat until boiling. Wait for 15 – 20 minutes until the potatoes become tender. After that, drain the potatoes using a colander.
  • Saute Green Vegetables
    Melt the butter on a frying pan over medium heat, then sauté the green vegetables for 3-4 minutes, or until they wilt and release their juices.
  • Adding the Scallions
    Afterward, add the scallions to the greens and cook for another 1 minute.
  • Adding Milk and Potatoes
    Add milk or cream to the vegetable and leek mixture and stir again. Afterward, add the boiled potatoes and reduce the heat on the stove.
  • Mash the Potatoes
    Use a fork or potato masher to mix the potatoes with the vegetables.
  • Add Flavor
    Add salt and pepper to taste. Then, serve the mashed potatoes hot, with a piece of butter on top.

Irish Potato Colcannon Companion Menu

To make your Irish mashed potato more enjoyable, Irish people usually serve it with roasted lamb or ham. However, you can also try some of the following Colcannon side dishes.

1.      Grilled Salmon

Salmon is grilled over hot coals or a grill with garlic mixture for a few minutes until cooked through and browned on the outside but still juicy and tender.

2.      Lemon-Garlic Spatchcock Chicken

Made from Chicken seasoned with a mixture of finely chopped garlic, lemon juice, salt, pepper, and olive oil, then grilled.

3.      Cabernet Braised Short Ribs

A grilled beef dish cooked with rich Cabernet Sauvignon or red wine and herbs such as garlic and shallots makes the taste unique.

4.      Slow Cooker Whole Chicken

A whole chicken dish slowly cooked in a slow cooker with peppercorns, garlic, and other herbs.

Following this simple recipe, you can make a special and delicious dish to celebrate St. Patrick’s Day with mashed potato colcannon from home. Enjoy, and happy St. Patrick’s Day!



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