Irish Starter

Irish Leek and Potato Soup

A short ingredient list produces a comforting, economical bowl.

Jump to recipe More Irish food
15 minsPrep time
30 minsCook time
Serves 4Servings
EasyDifficulty
Irish Leek and Potato Soup
About this dish

Irish Leek and Potato Soup: the story on the plate

Leek-and-potato soup is shared across European kitchens, including Irish home cooking, so its identity rests on ingredients and treatment rather than exclusivity. Potatoes thicken the soup without a flour roux, and slowly softened leeks supply sweetness. This version keeps the colour pale and the flavour gentle, making it useful before a richer main course. Presented as an Irish home-style soup, not an exclusive invention.

Historical background

Leek-and-potato soup is shared across European kitchens, including Irish home cooking, so its identity rests on ingredients and treatment rather than exclusivity. Potatoes thicken the soup without a flour roux, and slowly softened leeks supply sweetness. This version keeps the colour pale and the flavour gentle, making it useful before a richer main course.

Why it is famous

A short ingredient list produces a comforting, economical bowl. The defining contrast is smooth, creamy.

Cultural significance

Presented as an Irish home-style soup, not an exclusive invention. Treat this as one regional or household version; accompaniments and seasoning vary between cooks.

Nutrition

Estimated nutrition per serving

These figures are estimates per serving. Actual nutrition can vary with the brands and exact amounts you use, how much oil, dressing or sauce is absorbed, any substitutions or added extras, and the portion size served.

A practical guide for comparing recipes and planning meals.

222Calories
7.8gProtein
30.8gCarbs
8.3gFat
Ingredients

What you need

  • 400 leek, washed and sliced
  • 400 potato, peeled and diced
  • 100 Onion
  • 30 butter
  • 900 vegetable stock
  • 150 milk
  • 10 chives
  • 2 Black pepper
Method

Step-by-step method

Follow the recipe in order, tasting and adjusting seasoning where needed.

  1. 1. Split leeks lengthways, wash away grit, and slice evenly. Use potatoes of similar size so they soften together.
  2. 2. Peel and dice the potatoes into 2 cm pieces; finely chop the onion and chives, keeping the chives for the finish.
  3. 3. Soften onion and leeks in butter for 10 minutes without browning.
  4. 4. Add potatoes and stock; simmer 20 minutes until very tender.
  5. 5. Reserve a spoonful of tender potato and leek per bowl if a little texture is wanted. Blend the remaining soup smooth with the blender blade submerged, stir in milk and reheat gently; return reserved vegetables.
  6. 6. Season with black pepper, taste for salt and scatter with chives before serving.
Cook smarter

Tips, storage and serving advice

Shopping tips

Split leeks lengthways, wash away grit, and slice evenly. Use potatoes of similar size so they soften together.

Ingredient quality

Split leeks lengthways, wash away grit, and slice evenly. Use potatoes of similar size so they soften together. Use the white and pale green leek sections and save tough dark tops for stock. Blend only until smooth; a stick blender gives good control.

Common mistakes

Aggressive prolonged blending can make potato soup gluey. Do not brown the leeks if you want a clean pale soup.

Chef’s tips

Use the white and pale green leek sections and save tough dark tops for stock. Blend only until smooth; a stick blender gives good control.

How to know it is cooked

Add potatoes and stock; simmer 20 minutes until very tender.

Plating advice

One shallow ceramic bowl of pale ivory leek and potato soup, a restrained chopped-chive finish, velvety surface, oat linen and a spoon; no cheese or extra toppings.

Make ahead

Preparation checkpoint: Split leeks lengthways, wash away grit, and slice evenly. Use potatoes of similar size so they soften together. Prepare and measure components ahead, then follow the cooking, chilling and assembly order in the method. Keep raw animal foods chilled and separate from ready-to-eat ingredients.

Storage and reheating

Refrigerate perishable leftovers promptly in shallow covered containers at 5°C or below and use within 48 hours or the shortest ingredient use-by date. Reheat one portion once until steaming hot throughout, stirring sauces and soups for even heating. For chilled desserts, serve chilled rather than reheating.

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