Champ (Irish Mashed Potato with Scallion)

Introduction

Champ is a straightforward Irish potato dish that transforms humble ingredients into something deeply satisfying. Buttery mashed potatoes folded with cooked scallions and finished with a well of melted butter in the center—this is comfort food that relies on technique and timing rather than long ingredient lists or complex steps.

Recipe Details

• Prep Time: 10 minutes
• Cook Time: 20 minutes
• Total Time: 30 minutes
• Servings: 2

Ingredients

• 1 lb (450 g) potatoes, peeled
• 2 oz (60 g) scallions
• ¼ pint (½ cup) milk
• Freshly-ground pepper
• Salt (optional)
• 4 tbsp butter

Instructions

1. Boil potatoes in water until done.
2. Drain the potatoes and mash them.
3. Pour the milk into a saucepan, add the chopped scallions and cook vigorously.
4. When cooked, sieve the scallions and set the milk aside.
5. Add the scallions to the potatoes and mix well.
6. Add as much of the scallion-infused milk as possible to make a ‘wet’ soft mixture.
7. Season with freshly ground pepper and salt.
8. Serve with a central well filled with melted butter.

Variations

With fresh herbs: Stir in 1 tablespoon of fresh parsley or chives along with the scallions for a brighter, grassier note without changing the texture.

Leek version: Replace scallions with 2 oz of chopped leeks for a milder, slightly sweeter onion flavor that mellows when cooked into the milk.

Extra creamy: Use half milk and half heavy cream instead of milk alone for a richer, more luxurious mouthfeel; reduce the amount slightly since cream is denser.

With garlic: Simmer 1 clove of minced garlic in the milk with the scallions for a savory depth that complements the butter finish.

Horseradish kick: Add ½ teaspoon of grated fresh horseradish to the warm milk before pouring it into the potatoes for a subtle, peppery bite.

Tips for Success

Don’t skip the vigorous cooking step. The milk needs to come to a boil with the scallions so the green flavor fully infuses into the liquid; a gentle simmer won’t extract as much character.

Sieve the scallions to remove any tough bits. After cooking, pushing them through a sieve ensures a smooth texture throughout the potatoes and catches any fibrous pieces that would feel unpleasant.

Keep the mixture wet. Champ should look looser than standard mashed potatoes—it’s closer to a thick porridge. Add milk gradually until you reach that consistency, or you’ll end up with something too stiff.

Mash while potatoes are hot. Warm potatoes absorb the scallion milk more readily and create a creamier result than mashing cold potatoes and reheating.

Use real butter for the well. The final puddle of melted butter is meant to be scooped up with each forkful; it’s not garnish, so use good-quality butter and don’t skimp on the 4 tablespoons.

Storage and Reheating

Champ keeps in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop over medium-low heat, stirring frequently and adding a splash of milk to restore creaminess as it warms—microwave reheating can make it grainy and unevenly hot.

Champ does not freeze well; the potato structure breaks down and the texture becomes watery when thawed.

FAQ

Can I use waxy potatoes instead of starchy ones?

Waxy potatoes (like red or fingerling) will be denser and won’t mash as smoothly, resulting in a grainier texture. Starchy varieties like russets or Yukon golds mash to the soft, creamy consistency this dish needs.

Why sieve the scallions instead of just leaving them in?

Sieving breaks down the scallions into a fine pulp that distributes evenly throughout the potatoes, while removing tough green fiber. Leaving them whole or chunked creates an uneven texture and chewy pieces that don’t belong in a smooth mash.

What if my milk isn’t enough to reach the right wetness?

Add more milk or a little of the potato cooking water to loosen the mixture further. You’re aiming for something that holds a soft peak but still moves on the plate, not a stiff mound.

Can I make this ahead?

Yes, but prepare it no more than 2 hours before serving. Keep it warm in a covered pot over very low heat, stirring occasionally and adding a little milk if it tightens up. Don’t refrigerate and reheat—the potato structure suffers.