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Slow Cooker Irish Potatoes

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These buttery slow cooker Irish potatoes are rich, creamy, and packed with classic pub-style flavor—perfect for weeknights, holidays, or cozy comfort meals.

  • Author: Emma
  • Prep Time: 15 minutes
  • Cook Time: 5–6 hours on LOW or 3–4 hours on HIGH
  • Total Time: ~6 hours
  • Yield: 6 servings
  • Category: Side Dish
  • Method: Slow Cooker
  • Cuisine: Irish-Inspired, American
  • Diet: Vegetarian

Ingredients

3 pounds Yukon Gold potatoes, peeled and cut into 1 1/2-inch chunks

1 medium yellow onion, thinly sliced

3 cloves garlic, minced

1/2 cup (1 stick) unsalted butter, cut into pieces

1 cup low-sodium chicken or vegetable broth

1 teaspoon kosher salt, plus more to taste

1/2 teaspoon freshly ground black pepper

1/2 teaspoon dried thyme (optional)

1/2 cup whole milk or half-and-half, warmed

1/4 cup sour cream (optional)

1/4 cup chopped fresh parsley

2 green onions, thinly sliced (green parts only), for garnish

Instructions

Prepare Potatoes: Peel and cut potatoes into 1 1/2-inch chunks. Rinse under cold water, then drain well.

Layer in Slow Cooker: Place onions and garlic in the bottom of the slow cooker. Add potatoes on top and scatter butter pieces.

Season and Add Liquid: Sprinkle with salt, pepper, and thyme (if using). Pour broth evenly over the top.

Cook: Cover and cook on LOW for 5–6 hours or HIGH for 3–4 hours, until potatoes are very tender.

Mash in Slow Cooker: Switch to WARM. Add warmed milk and sour cream (if using). Mash potatoes to desired texture.

Finish: Stir in parsley, taste, and adjust seasoning. Thin with more milk if needed.

Garnish: Top with sliced green onions before serving. Keep on WARM until ready to serve, up to 2 hours.

Notes

For Irish champ: Skip sour cream and stir in 3–4 sliced green onions (white and green parts).

For colcannon-style: Fold in 2 cups sautéed cabbage or kale.

Vegetarian: Use vegetable broth and dairy-only butter.

Creamier version: Replace half the broth with cream, add 1 cup shredded Irish cheddar.

Flavor boost: Add a bay leaf during cooking (remove before mashing) or a pinch of nutmeg.

Make ahead: Reheat gently with warm milk and stir until smooth.

Find it online: https://allcookedup.com/slow-cooker-irish-potatoes/