The pot lid rattles and you know dinner is almost ready. That sound makes your stomach rumble kinda like a little drum tuning you in. You spot the steam kiss the lid and it feels like a promise of something warm and comforting inside.

You catch the faint scent of butter melting, and it’s almost like the kitchen is whispering Irish tales through the aroma. Every rattle signals a step closer to creamy mashed potatoes mingled with soft cabbage and green onions. It’s got that cozy vibe that just pulls you in.
Inside the pot, those potatoes are steaming away, getting oh-so-tender. You feel the excitement build cause once you hit quick release, you’ll see the green cabbage all soft and the butter melted perfectly in. It’s a simple dish that wraps you up in an old kitchen kinda hug.
The Truth About Fast Tender Results
- Pressure cookers use steam cues to cook food super quick by locking in moisture.
- Sealing ring gotta be snug so no steam escapes, which means better broth depth and flavor.
- Quick release saves time but watch out for splatters from hot steam.
- Slow release is perfect for letting potatoes finish gently without drying out.
- Chopping veggies the right size helps them cook evenly and fast.
- Adding butter during sauteing builds layers of flavor before pressure cooking.
- Using whole milk or half and half keeps your mash creamy, not watery.
Want to really master your pressure cooker? Check out our Pressure Cooker Tips for expert ways to get the perfect tender pull every time and avoid common pitfalls like watery mash.
Everything You Need Lined Up
- 2 pounds potatoes, peeled and cut into 2-inch chunks. You want potatoes that mash smooth but hold up a bit.
- 4 tablespoons good butter, divided. I am all about Kerrygold Irish butter here cause it tastes rich and dreamy.
- 3 cups chopped green cabbage. Kale works too if you don’t have cabbage.
- 1 bunch green onions, chopped fine. Around 5 or 6 stalks is just right.
- 1 cup whole milk. Cream or half and half works if you want a richer mash.
- Kosher salt for seasoning. It’s gotta pop just right.
- Pepper, freshly ground if you’ve got it.
- A big pot for boiling potatoes before pressure cooking (if you choose to start that way).
- A large skillet to saute cabbage and green onions.
- A trusty pressure cooker with sealing ring tight and ready to roll.

The Exact Process From Start to Finish
- Place peeled and chunked potatoes in a big pot. Cover with cold water and add a good pinch of kosher salt. Bring to boil, then simmer till fork-tender, about 20 minutes. This makes sure your potatoes don't go mushy too soon under pressure.
- While potatoes cook, melt 2 tablespoons butter in skillet over medium heat. Toss in chopped cabbage and cook till softened, 5-7 minutes. This step gets out that cabbage sweetness.
- Stir in chopped green onions and cook another 2-3 minutes. Now the fresh onion flavor is just right.
- Drain potatoes once done. Put ’em back in pot and get ready for the mix.
- Add sautéed cabbage and green onions to potatoes. Drop in remaining butter and pour in whole milk. Season with kosher salt and pepper. This blend is where the flavors really get personal.
- Use a potato masher till everything’s smooth and creamy. Add more milk bit by bit if you want it looser.
- Put the pot into your pressure cooker setup, seal it up good with sealing ring already checked for leaks.
- Cook on high pressure for 5 minutes, then do a quick release. Watch those steam cues carefully or you’ll miss the peak fluffiness.
Valve Hacks You Need to Know
- When you do quick release, keep a kitchen towel handy to cover the valve. That way you avoid dash of hot steam surprise.
- If you wanna hold the dish warm after cooking, use slow release and it keeps the potatoes tender without drying out.
- Double-check the sealing ring fits tight before starting. A loose one means lost steam and watery mash.
What It Tastes Like Fresh From the Pot
This colcannon recipe bursts with richness from the butter enveloping those tender potatoes. The cabbage adds a soft, earthy sweetness that feels like a hug from an Irish cottage.
The green onions sneak in subtle sharpness that perks up every bite. It’s creamy but has a slight bite that keeps it interesting.
You’ll catch a light peppery pinch balancing the whole bowl while the warmth fills your belly with comfort. It’s simple but oh, so satisfying.

Smart Storage That Actually Works
- Cool leftovers quickly by spreading them into a shallow container. This stops soggy spots from forming.
- Store covered in the fridge for up to 3 days. Reheat with a splash of milk to bring back that creamy texture.
- Freeze in an airtight container if you wanna keep it longer. Thaw overnight in fridge and stir gently before warming.
The FAQ Section You Actually Need
- Can I skip boiling the potatoes first? Technically you can but they’ll take longer and might cook unevenly. Boiling first gives you consistent tender results.
- Can I use kale instead of cabbage? Totally works! Kale has a bit stronger taste but it’s a nice twist.
- How much butter is too much? Butter is your friend here but if you go way over 4 tablespoons it might get greasy instead of creamy.
- Should I do quick release or slow release? Quick release is great for fluffy mash fast but slow release softly finishes the cooking if you wanna hold the heat.
- Can I make this dairy-free? You can swap the milk for any non-dairy cream or milk alternative and use vegan butter. Texture might be just a tad different.
- How do I avoid watery mash? Watch the amount of milk you add and always drain potatoes really well. Overcooked cabbage can also add unwanted moisture.
Looking for more comforting potato sides? Try our Chipotle Honey Chicken Thighs with Smoked Gouda Mashed Potatoes for a smoky creamy twist perfect with your pressure cooker skills.
If you enjoy cabbage and hearty textures, check out our Cajun Wings: Spicy & Flavorful Chicken Wing Recipe where spices and crispiness meet juicy cooking techniques.

Colcannon Recipe: Irish Mashed PotatoesMarie Bostwick
Equipment
- 1 Big pot for boiling potatoes
- 1 Large skillet to saute cabbage and green onions
- 1 Pressure cooker with sealing ring
Ingredients
Main ingredients
- 2 pounds Potatoes peeled and cut into 2-inch chunks
- 4 tablespoons Butter divided, use Kerrygold if possible
- 3 cups Green cabbage chopped, or use kale
- 1 bunch Green onions chopped fine, about 5 or 6 stalks
- 1 cup Whole milk or use cream or half and half
- Kosher salt for seasoning
- Pepper freshly ground
Instructions
Instructions
- Place peeled and chunked potatoes in a big pot. Cover with cold water and add a good pinch of kosher salt. Bring to boil, then simmer till fork-tender, about 20 minutes.
- While potatoes cook, melt 2 tablespoons butter in skillet over medium heat. Toss in chopped cabbage and cook till softened, 5-7 minutes.
- Stir in chopped green onions and cook another 2-3 minutes.
- Drain potatoes once done. Put ’em back in pot and get ready for the mix.
- Add sautéed cabbage and green onions to potatoes. Drop in remaining butter and pour in whole milk. Season with kosher salt and pepper.
- Use a potato masher till everything’s smooth and creamy. Add more milk bit by bit if you want it looser.
- Put the pot into your pressure cooker setup, seal it up good with sealing ring already checked for leaks.
- Cook on high pressure for 5 minutes, then do a quick release.



