Colcannon is a beloved staple in Irish cuisine, combining creamy mashed potatoes with vegetables to create a hearty dish. The Ultimate Colcannon recipe takes this classic to new heights by incorporating sweet potatoes, Brussels sprouts, and a hint of parmesan. This delightful twist not only adds layers of flavor but also brings a colorful presentation to your table, making it perfect for gatherings or family dinners.
Why You’ll Love This Ultimate Colcannon
You will fall in love with this Ultimate Colcannon for many reasons. First, it blends the familiar comfort of mashed potatoes with the sweetness of sweet potatoes and the earthiness of Brussels sprouts. Each spoonful delivers a comforting warmth, ideal for any season. The addition of savory shallots and aromatic garlic elevates the standard mashed potato experience. Plus, it’s an excellent way to sneak in some vegetables for the kids without them realizing it. This recipe is not only delicious but also incredibly versatile, allowing room for personal touches and various substitutions.
How to Make Ultimate Colcannon
Ingredients
- 1.5 lbs white potatoes (washed, skin left on)
- 1 lb sweet potatoes (washed, skin left on)
- 3 cups Brussels sprouts (outer leaves removed, thinly sliced)
- 2 large shallots (diced)
- 2 garlic cloves (finely chopped)
- 1/2 cup parsley (finely chopped)
- 1.5 tbsp extra virgin olive oil
- 2 tbsp butter
- 2/3 cup milk
- 1/3 cup freshly grated parmesan cheese
- 1 tsp sea salt flakes
- 1/2 tsp black pepper (freshly ground)
Step-by-Step Instructions
- Gather all your equipment and ingredients. Preheat your oven to 350ºF (180ºC, gas mark 4).
- Pierce the white and sweet potatoes several times with a fork. Place them on a baking tray and bake for about 1 hour until tender.
- When done, slice the potatoes open to let steam escape and allow to cool.
- Heat olive oil in a frying pan and sauté Brussels sprouts, shallots, and garlic for 12-15 minutes until softened.
- In a saucepan, warm the milk and melt the butter. Keep warm.
- Scoop potato flesh into separate bowls and mash until smooth. Mix warm milk into sweet potatoes and season.
- Stir parmesan into the white potato mash, then fold in sautéed veggies.
- In a baking dish, alternate white and sweet potato mixtures to create a marbled effect. Top with extra cheese.
- Bake for 15 minutes until heated through and cheese melts.
- Optionally drizzle olive oil before serving. Enjoy warm.
How to Serve Ultimate Colcannon
Serve your Ultimate Colcannon as a delightful side dish alongside your favorite protein, such as roasted chicken or grilled turkey bacon. It pairs exceptionally well with hearty stews and braised meats. For an added touch, garnish with additional parsley or a sprinkle of sea salt flakes just before serving.
How to Store Ultimate Colcannon
To store leftover Ultimate Colcannon, let it cool completely before transferring it to an airtight container. You can keep it in the refrigerator for up to three days. For longer storage, consider freezing it for up to three months. When ready to enjoy again, thaw in the fridge overnight, then reheat in the oven or on the stove.
Tips to Make Ultimate Colcannon Perfect
- Select fresh Brussels sprouts for the best flavor and texture. If unavailable, you can substitute with green beans or kale.
- For extra creaminess, feel free to add more butter or milk according to your taste preference.
- Ensure you blend the potato mixtures gently to maintain some texture and prevent them from becoming gummy.
Flavor Variations
If you want to switch things up, try adding different vegetables like leeks or spinach. You can also replace parmesan cheese with other cheeses like cheddar or feta for a unique flavor profile. For a spicy kick, add some chopped jalapeños or crushed red pepper flakes.
Pro Tips for Success
- Use a potato masher instead of a mixer for fluffier potatoes. Mixing can lead to a gluey texture.
- If you prefer a lighter dish, consider using low-fat milk or a plant-based milk alternative.
- Don’t skip the resting time for the baked colcannon, as it allows flavors to meld together.
FAQs About Ultimate Colcannon
1. Can I make Ultimate Colcannon ahead of time?
Yes! You can prepare the colcannon in advance and store it in the refrigerator for up to three days. To reheat, simply pop it in the oven until warmed through. The flavors will continue to develop, making it even more delicious.
2. What can I use if I don’t have Brussels sprouts?
If Brussels sprouts aren’t available, you can substitute with chopped kale, spinach, green beans, or even carrots. Choose vegetables that you enjoy to keep the dish appealing.
3. Is colcannon a healthy dish?
Colcannon can be a healthy option, especially when made with fresh vegetables and moderate amounts of butter and cheese. By increasing the vegetable content and reducing the fat slightly, you can create a nutritious side dish that complements many meals.
Final Thoughts
The Ultimate Colcannon is not just a dish; it’s an experience that brings comfort and flavor to your dining table. Its traditional roots merge beautifully with modern tastes, making it suitable for various occasions, from family dinners to festive gatherings. Embrace this comforting twist on Irish mashed potatoes and impress your loved ones with this flavorful side dish that will quickly become a new favorite in your kitchen.

Ultimate Colcannon
Ingredients
Method
- Gather all your equipment and ingredients. Preheat your oven to 350ºF (180ºC, gas mark 4).
- Pierce the white and sweet potatoes several times with a fork. Place them on a baking tray and bake for about 1 hour until tender.
- When done, slice the potatoes open to let steam escape and allow to cool.
- Heat olive oil in a frying pan and sauté Brussels sprouts, shallots, and garlic for 12-15 minutes until softened.
- In a saucepan, warm the milk and melt the butter. Keep warm.
- Scoop potato flesh into separate bowls and mash until smooth. Mix warm milk into sweet potatoes and season.
- Stir parmesan into the white potato mash, then fold in sautéed veggies.
- In a baking dish, alternate white and sweet potato mixtures to create a marbled effect. Top with extra cheese.
- Bake for 15 minutes until heated through and cheese melts.
- Optionally drizzle olive oil before serving. Enjoy warm.
