Name: Kale Colcannon Mashed Potatoes Recipe
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: Irish
Ingredients: 3 pounds Russet potatoes, peeled; 2 teaspoons fine sea salt, divided; 2 tablespoons unsalted butter, divided, plus more for garnish; 1 large bunch kale, preferably Tuscan/Lacinato, ribs removed and chopped into small, bite-sized pieces (3 to 4 cups); 1 medium clove garlic, pressed or minced; 8 ounces cream cheese; 4 ounces (½ cup) sour cream; 3 tablespoons thinly sliced green onion, divided

Jump to Recipe· 4.4 from 65 reviews

If you’ve been hunting for a comforting yet vibrant twist on traditional mashed potatoes, I’ve got just the thing for you. This Kale Colcannon Mashed Potatoes Recipe marries creamy, buttery potatoes with tender, garlicky kale for a dish that feels both hearty and fresh. Trust me, it’s a family favorite in my kitchen and a perfect way to sneak in some greens without sacrificing that classic mashed potato goodness. Let’s dive in and I’ll share all my tips for nailing this delicious side every single time.

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Why This Recipe Works

Perfect Texture: The combination of Russet potatoes with cream cheese and sour cream creates an irresistibly creamy, slightly tangy mash that’s just right.
Balanced Flavor: Wilted kale and garlic add a fresh, earthy bite that cuts through the richness without overwhelming the dish.
Simple Technique: You don’t need fancy tools — just a pot, a sturdy masher, and a little patience for perfectly tender potatoes and kale.
Flexible & Customizable: This recipe easily adapts to your taste and dietary needs, like swapping kale for collards or making it dairy-free.

Kale Colcannon Mashed Potatoes, creamy garlic mashed potatoes with kale, hearty veggie mashed potatoes, easy kale mashed potato recipe, Irish-style kale mash - The image shows a black and red pot filled with mashed potatoes mixed with chopped green herbs. There are some small cubes of yellow butter and white cream dollops on top of the mashed potatoes. A metal potato masher with a black handle is partially pressing into the potatoes. The pot is placed on a white marbled surface, with a small container of cream nearby. The texture of the mashed potatoes is chunky with visible bits of green herbs and creamy streaks. photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

This recipe leans on simple, wholesome ingredients that bring distinct textures and flavors to the party. Choosing the right kind of potatoes and fresh kale, along with quality dairy, really makes the difference in your kitchen.

Russet potatoes: Their starchy nature breaks down beautifully into fluffy, creamy mashed potatoes that soak up flavors perfectly.
Fine sea salt: Helps season both the potatoes during cooking and the final mash; using fine salt distributes flavor more evenly.
Unsalted butter: Adds richness and allows you to control the saltiness in the dish.
Kale (Tuscan/Lacinato preferred): This variety stays tender when cooked, giving you tender bites without bitterness.
Garlic: Just a touch gives the mash a subtle savory backdrop that pairs exquisitely with kale.
Cream cheese: Brings tang and extra creaminess that elevates the mash to something special.
Sour cream: Adds moisture and a smooth texture with a slight tartness that balances richness.
Green onions: Both cooked in and sprinkled on top, they add fresh, mild onion flavor and a pop of color.

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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Tweak to Your Taste

I always encourage experimenting with this Kale Colcannon Mashed Potatoes Recipe! For me, a little extra garlic or swapping kale for whatever greens I have on hand keeps it fun and fresh. Don’t hesitate to make it your own.

Variation: I’ve swapped kale for collard greens during winter – it’s equally delicious and a real crowd-pleaser.
Dairy-free option: Use olive oil to cook the greens and replace cream cheese and sour cream with your favorite vegan sour cream. It’s a great alternative that still keeps things creamy.
Texture preference: Some people love their colcannon chunky; I tend to leave a few lumps for that rustic feel, but feel free to whip it smooth if you prefer.

Step-by-Step: How I Make Kale Colcannon Mashed Potatoes Recipe

Step 1: Prep and Start Cooking the Potatoes

I begin by peeling and cutting the Russet potatoes into even chunks, about 2 inches each. This helps them cook evenly so you don’t end up with mushy bits alongside undercooked pieces. While the potatoes are cooking in salted water — make sure they’re covered by at least an inch of water — I pull the cream cheese out so it can soften; that way it blends effortlessly later.

Step 2: Wilt the Kale with Butter and Garlic

Once the potatoes are fork-tender (about 10-15 minutes), drain them well. Then, in the same pot, melt a tablespoon of butter over medium-high heat and toss in the chopped kale. Stir often — kale wilts quickly, usually within 2-4 minutes. Adding the garlic last and cooking for about 30 seconds gives the dish that subtle, irresistible aroma without burning the garlic.

Step 3: Mash Everything Together

Adding the drained potatoes back into the pot with the kale, I start mashing. I like to leave some texture but mash it enough that the potatoes and greens integrate well. Then, cream cheese, sour cream, the rest of the butter, and a teaspoon of salt join the mix. Stir in most of the green onions now, reserving a bit for garnish. Give it a good mash and mix until creamy and mostly smooth.

Step 4: Serve While Warm and Garnish

Transfer your colcannon mashed potatoes to a warm serving bowl and add a pat of butter on top to melt slowly. Sprinkle the remaining green onions for color and a fresh bite. Serve it immediately so the texture stays perfect — warm, cozy, and bursting with flavor.

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Pro Tips for Making Kale Colcannon Mashed Potatoes Recipe

Softened Cream Cheese: Letting the cream cheese come to room temperature makes it much easier to incorporate smoothly into the mash.
Don’t Overcook Kale: Watch the kale closely as it wilts; overcooked kale turns mushy and loses its vibrant color and fresh taste.
Even Potato Chunks: Cutting potatoes into similar sizes cooks them evenly so you don’t get uneven textures in your mash.
Salt Gradually: Adding salt in stages—during boiling and then in the mash—ensures balanced seasoning without going overboard.

How to Serve Kale Colcannon Mashed Potatoes Recipe

Garnishes

I usually finish this dish with a few pats of butter that melt right on top, giving an inviting glossy sheen. Besides the green onions already mixed in and sprinkled on top, I sometimes add a little flaky sea salt or freshly cracked black pepper for that extra punch. You could also toss in some crispy shallots or a sprinkle of sharp cheddar if you’re feeling indulgent.

Side Dishes

This kale colcannon mashed potatoes recipe pairs wonderfully with roasted meats like chicken or pork, or even alongside a hearty stew. I’ve also served it with sautéed mushrooms and a crisp green salad for a vegetarian-friendly meal that feels satisfying and complete.

Creative Ways to Present

For special dinners, I love serving the colcannon in individual ramekins, topped with a pat of butter and a sprinkle of green onions — it looks super inviting and gives everyone their own cozy serving. Another fun trick: gently swirling some browned butter over the top right before serving adds a nutty aroma and beautiful golden color.

Make Ahead and Storage

Storing Leftovers

I keep leftover Kale Colcannon Mashed Potatoes in an airtight container in the fridge for up to 3 days. When stored properly, the creamy texture stays surprisingly nice, especially if you reheat gently.

Freezing

I’ve frozen this recipe a couple of times and found that it does well if you pack it in a freezer-safe container or heavy-duty zip bag. When you’re ready to eat, thaw overnight in the fridge for best results.

Reheating

Reheating gently is key: I like to warm it in a covered saucepan over low heat, stirring often, and adding a splash of milk or cream if it feels too thick. You can also microwave it in short bursts, stirring between intervals, to avoid drying out or separating.

FAQs

Can I use other greens instead of kale in this recipe?

Absolutely! Swiss chard, collard greens, or even cabbage work wonderfully as substitutes. Just cook them similarly — wilt with butter and garlic before mashing with the potatoes.
How do I make this colcannon recipe vegan or dairy-free?

You can replace the cream cheese and sour cream with a vegan sour cream alternative, cook the kale in olive oil instead of butter, and skip the extra butter garnish. It won’t be quite the same richness but still delicious and creamy.
Why is it important to use Russet potatoes?

Russets have a high starch content that breaks down well when cooked, giving you smooth, fluffy mashed potatoes. Waxy potatoes can become gluey or lumpy when mashed.
Can I prepare this recipe ahead of time?

You can make it ahead and store it in the refrigerator, but be sure to reheat gently to keep the creamy texture and avoid drying out.

Final Thoughts

This Kale Colcannon Mashed Potatoes Recipe is one of those dishes that’s simple yet feels special. It’s my go-to for holidays, cozy weeknights, or anytime I want something comforting with a burst of green goodness. I hope you love making it as much as I do—ready your masher, grab your kale, and get ready for mashed potato magic that feels like a warm hug on a plate!

Kale Colcannon Mashed Potatoes Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.4 from 65 reviews

Author: Amanda
Prep Time: 20 minutes
Cook Time: 20 minutes
Total Time: 40 minutes
Yield: 8 servings
Category: Side Dish
Method: Stovetop
Cuisine: Irish
Diet: Vegetarian

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Description

Kale Colcannon is a creamy and comforting Irish-inspired mashed potato dish enhanced with tender kale, cream cheese, sour cream, and green onions, delivering a rich but fresh flavor perfect as a hearty side dish.

Ingredients

Potatoes and Seasoning

3 pounds Russet potatoes, peeled
2 teaspoons fine sea salt, divided
2 tablespoons unsalted butter, divided, plus more for garnish

Kale Mixture

1 large bunch kale, preferably Tuscan/Lacinato, ribs removed and chopped into small, bite-sized pieces (3 to 4 cups)
1 medium clove garlic, pressed or minced

Dairy

8 ounces cream cheese
4 ounces (½ cup) sour cream

Garnish

3 tablespoons thinly sliced green onion, divided

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Instructions

Prepare Cream Cheese: Remove the cream cheese from the refrigerator and let it warm to room temperature to ensure it blends smoothly with the mashed potatoes.
Cut Potatoes: Cut the peeled potatoes into even chunks about 2 inches in size to ensure uniform cooking.
Boil Potatoes: Place potato chunks in a large pot and add 1 teaspoon of salt along with enough water to cover by 1 to 2 inches. Bring to a boil over high heat, then reduce heat as needed to prevent overflow. Cook until potatoes are fork-tender, about 15 minutes.
Drain Potatoes: Carefully drain all the water from the potatoes using a colander and set aside.
Cook Kale: Return the empty pot to medium-high heat and add 1 tablespoon of butter. Once melted, add the chopped kale and cook, stirring often, for 2 to 4 minutes until wilted and dark green. Add the garlic and cook until fragrant, about 1 minute.
Mash Potatoes and Kale: Remove the pot from heat and return the drained potatoes to the pot. Mash potatoes and kale together until desired consistency is reached, slightly chunky or smooth.
Add Dairy and Seasoning: Stir in the cream cheese, sour cream, remaining 1 tablespoon butter, and 1 teaspoon salt. Mash and mix until mostly combined. Add 2 tablespoons green onions and stir until well incorporated.
Serve: Transfer the mashed potatoes to a serving bowl. Top with pats of butter and the remaining green onions. Serve warm for best flavor.

Notes

When using regular table salt instead of fine sea salt, reduce the amount and adjust seasoning to taste at the end.
You can substitute chard, collard greens, or cabbage for kale for a different but equally delicious flavor.
To make this dish dairy free or vegan, cook kale in olive oil and replace cream cheese and sour cream with 1 to 1 ½ cups vegan sour cream. Skip adding extra butter.