Slow Cooker Irish Potatoes (Buttery Potato & Onion Crockpot Recipe)
Slow Cooker Irish Potatoes are the perfect cozy comfort food. With tender potato chunks, buttery richness, and sweet onions slowly cooking together, this dish delivers incredible flavor with almost no effort. Just add everything to the slow cooker and let it do the work while your kitchen fills with an irresistible aroma.
Inspired by traditional Irish potato dishes like colcannon and champ, this recipe keeps things simple while still delivering that hearty pub-style taste everyone loves. It’s the ideal side dish for weeknight dinners or Sunday family meals.
Why You’ll Love This Recipe
🥔 Easy preparation – Just chop, add to the slow cooker, and cook
🧈 Rich buttery flavor – Potatoes absorb butter and broth perfectly
🕒 Perfect for busy days – Slow cooker does all the work
🍽️ Family favorite – Comfort food everyone enjoys
Servings
6 servings
Ingredients
- 3 pounds Yukon Gold potatoes, peeled and cut into 1½-inch chunks
- 1 medium yellow onion, thinly sliced
- 3 cloves garlic, minced
- ½ cup (1 stick) unsalted butter, cut into pieces
- 1 cup low-sodium chicken or vegetable broth
- 1 teaspoon kosher salt (plus more to taste)
- ½ teaspoon freshly ground black pepper
- ½ teaspoon dried thyme (optional)
- ½ cup whole milk or half-and-half, warmed
- ¼ cup sour cream (optional for extra creaminess)
- ¼ cup fresh parsley, chopped
- 2 green onions, thinly sliced (for garnish)
Instructions
1. Prepare the Potatoes
Peel the potatoes and cut them into evenly sized chunks (about 1½ inches). Rinse them quickly under cold water to remove excess starch, then drain well.
2. Layer the Slow Cooker
Place the sliced onions and minced garlic at the bottom of a 5–6 quart slow cooker. Add the potato chunks on top and scatter the butter pieces over them.
3. Season and Add Liquid
Sprinkle salt, pepper, and dried thyme over the potatoes. Pour the broth evenly over the mixture. The potatoes do not need to be fully covered.
4. Cook Until Tender
Cover and cook:
- LOW: 5–6 hours
- HIGH: 3–4 hours
Cook until the potatoes are very soft when pierced with a fork.
5. Mash the Potatoes
Switch the slow cooker to WARM. Add the warm milk (or half-and-half) and sour cream if using. Mash the potatoes directly in the slow cooker until they reach your desired texture.
6. Finish and Season
Stir in the chopped parsley. Taste and adjust seasoning with more salt or pepper if needed. If the potatoes seem too thick, add a splash of warm milk.
7. Garnish and Serve
Sprinkle sliced green onions over the top and serve warm. The potatoes can stay on the WARM setting for up to 2 hours.
Serving Suggestions
These buttery potatoes pair beautifully with:
- Corned beef
- Roast chicken
- Pot roast
- Grilled sausages
- Pork loin
Add a fresh vegetable like green beans, cabbage, or Brussels sprouts for a balanced meal.
Variations & Tips
Colcannon Style:
Mix in 2 cups sautéed cabbage or kale before mashing.
Irish Champ Version:
Add extra green onions and skip the sour cream for a lighter taste.
Extra Cheesy:
Stir in 1 cup shredded Irish cheddar during the mashing stage.
Make It Vegetarian:
Use vegetable broth instead of chicken broth.
Reheating Tip:
If reheating leftovers, stir in a little warm milk to bring back the creamy texture.
If you’d like, I can also show you:
- 3-Ingredient Slow Cooker Potato Version (super viral recipe)
- The mistake that makes slow cooker potatoes watery
- How restaurants make potatoes extra creamy 🥔🧈