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Overview

Seldersoep Recipe

Belgian Celery Soup, Cream of Celery Soup, Crème de Céleri

This seldersoep recipe is the pale-green Belgian lunch soup: celery stalks, potato and leek simmered in vegetable stock until soft, then blended silky-smooth and finished with cream and a pinch of nutmeg. It takes 45 minutes, serves 4, and is at its best with good bread for dipping. One serving is about 485 g.

Seldersoep is the soup Belgian home cooks make when the celery is good and lunch needs to be ready in under an hour: a pot of celery, potato and leek in vegetable stock, blended smooth and finished with cream. In Flanders it is a weekday staple, served as a first course or a light lunch with bread, and every family has its own version — some add celeriac, some add a little more cream, some skip the nutmeg. The name is simply Dutch for celery soup, and the dish is exactly that: celery, treated with respect.

Pairs well with: Crusty bread and butter, with a green salad or a soft cheese sandwich alongside

Provenance

Belgium flag Belgium

Belgian Heritage

Nordic & European

Time Dedication

45m

15m prep • 30m cook

Batch Yield

4 Servings

244 kcal per serving

1 serving ≈ 485 g

Technical Skill

Easy

Easy (One Pot)

Meal Timing & Digestive Fit

Breakfast

Not Advised

Lunch

Prime Metabolic Fit

Dinner

Ideal Hearty Main

Snack & Tea

Inappropriate

Soups & Broths Occasions: Weekday lunches, light suppers, autumn and winter starters, family meals Cost: Low — about $2–3 per serving at home (celery, potato and leek are the main costs)
Tags: Vegetables Savory Vegetarian Soup
A white bowl of creamy pale-green celery soup scattered with chopped celery leaves

Belgian Heritage

Photo: transcendancing, CC BY-SA 2.0, via Wikimedia Commons

The Heritage Formulary

Measured Ingredients

Estimated cost: Low — about $2–3 per serving at home (celery, potato and leek are the main costs) (USD)

A traditional Belgian lunch soup: celery, potato and leek simmered in stock and blended silky-smooth.

Execution Methodology & Culinary Technique

Step-by-Step Cooking Guide

Active 45m
P

Prep Stage: Wash, Slice & Dice

15 Mins • Knife Work

Wash the celery well — grit hides in the ribs — and slice it into even pieces. Peel and dice the potato, rinse the leek until no grit remains, and chop the onion. Measure the stock and cream so the pot work goes without pauses; the vegetables cook fast once they are in.

Maestro Tip: Cut the potato and celery to similar sizes so they soften at the same time and blend evenly.

  1. 1

    Soften the Onion and Leek

    5 Mins Medium heat, ~175°C (350°F)

    Melt the butter in a large pot over medium heat. Add the onion and leek with a pinch of salt and cook for 5 minutes, stirring often, until soft and translucent but not browned.

    Keep the heat at medium — browned onion would darken the pale soup.

    Done when: Onion and leek are soft, pale and sweet-smelling.

  2. 2

    Add the Celery and Potato

    5 Mins Medium heat, ~175°C (350°F)

    Add the celery and potato to the pot and stir for 5 minutes so everything is coated in butter and starting to soften.

    Stirring the vegetables in the butter first builds flavour that plain boiling never gives.

    Done when: Celery is bright green and glossy, potato edges are turning translucent.

  3. 3

    Simmer in the Stock

    20 Mins Low heat, ~95°C (200°F)

    Pour in the vegetable stock and bring the pot to a gentle simmer. Cover, turn the heat to low, and simmer for 20 minutes until the potato and celery are completely soft when pressed with a spoon.

    A gentle simmer keeps the soup pale; hard boiling turns it grey-green.

    Done when: Potato breaks apart easily and the celery is fully tender.

  4. 4

    Blend Until Silky

    5 Mins No heat — blending, about 20°C (68°F)

    Take the pot off the heat and blend the soup with a stick blender, or in batches in a jug blender, until completely smooth and silky. Add the cream and nutmeg and blend again briefly. Taste and add the white pepper and remaining salt.

    Blend for a full minute longer than you think — a truly smooth soup feels luxurious, a half-blended one feels like baby food.

    Done when: Soup is velvety, pale green, and coats the back of a spoon.

  5. 5

    Serve Hot

    5 Mins Serving heat, about 65°C (150°F)

    Ladle the soup into warm bowls and scatter the chopped celery leaves over the top. Serve at once, while it is steaming.

    Warm the bowls with hot water first — cold bowls steal the heat from a thin soup in seconds.

    Done when: Soup is steaming, creamy and pale green, with fresh leaves on top.

Finishing Touches & Plating

Ladle the soup into warm bowls, scatter the celery leaves over the top, and serve at once with crusty bread. A final swirl of cream on each bowl makes it look as good as it tastes.

Nutritional Physiology & Benefits

Nutrition

Energy

244

kcal / serving

Protein

5g

Complete AA

Carbs

26g

Complex

Fats

15g

Healthy

Per serving (4 servings · 1 serving ≈ 485 g)
Energy244 kcal
Protein5 g
Carbohydrates26 g
Fat15 g
Fibre4.6 g
Sugar6.5 g
Sodium827 mg
Per 100g
Energy50 kcal
Protein1 g
Carbohydrates5.3 g
Fat3.1 g
Fibre0.9 g
Sugar1.3 g
Sodium171 mg

Nutrition values are estimated — calculated from USDA FoodData Central values for the listed ingredients.

Vitamins & minerals: A serving provides vitamin K and vitamin C from the celery and leek, plus potassium and vitamin B6 from the potato. Nutrition values are estimated.

Light and Hydrating

Each serving is about 244 kcal and mostly water and vegetables, so the soup is light, hydrating and easy on the stomach.

Vitamin K and C

Celery and leek are good sources of vitamin K and vitamin C, and the gentle simmer keeps those nutrients in the pot.

Fibre from Real Vegetables

The celery, potato and leek give each serving about 4.6 g of fibre, which supports normal digestion without any heaviness.

Food Pairings

What to Eat With

To optimize nutrient absorption and elevate the sensory depth, pair with these authentic accompaniments:

Sides

Crusty Bread and Butter

The essential partner: thick slices of crusty bread soak up the soup and turn a light lunch into a satisfying one.

Vegetables

Simple Green Salad

A crisp salad with a sharp vinaigrette adds crunch and acidity next to the soft, creamy soup.

Full Menus

Soft Cheese Sandwich

A mild cheese sandwich makes the soup a complete lunch — the creamy soup and the creamy cheese agree with each other.

Drinks

Light Belgian Beer

A light, crisp Belgian blonde beer matches the soup's gentle flavour without overpowering it.

Complete menu

Serve hot with crusty bread and butter, a green salad, and a soft cheese sandwich for a complete light lunch.

Digestive Guardrails

What NOT to Combine

To prevent digestive distress, sluggishness, or palate clash, avoid pairing the dish with these elements:

Very Salty Bread and Cheese

At about 827 mg of sodium per serving, the soup is already moderately salty — salty bread, cheese or cured meats alongside can push the meal's salt load high. This is general information, not medical advice.

Boiling Hard After Blending

Once the cream is in, a hard boil can split the soup and dull its colour. Reheat gently and never let it boil. This is general information, not medical advice.

General information only, not medical advice — consult a doctor for personal dietary decisions.

Who Should Eat It

Who Should Eat

  • General adultsA light, gentle lunch at about 244 kcal per serving — easy to digest and kind to the stomach for most adults.
  • ChildrenThe soup is mild, smooth and easy to swallow, and children usually accept it well. Skip the nutmeg for very young children if they dislike warm spices.
  • ElderlySoft, smooth and light — a good choice for older diners, and easy to eat with no chewing needed.
  • Pregnant womenA vegetable soup with cream and butter is fine in pregnancy as written; the soup should be served steaming hot. Ask your clinician about portions.
  • Breastfeeding womenA light, vegetable-rich lunch that fits well into a varied diet; the cream adds richness, so balance it with salad. Ask your clinician about portions.
  • AthletesLight and low in energy, so it works as a starter or a recovery meal rather than a main training meal — add bread and cheese for more fuel.
  • Weight gainAt 244 kcal a serving it is not an energy-dense food, so pair it with bread, cheese or a sandwich if the goal is to gain weight.
  • Weight lossA filling, low-calorie soup: the volume and fibre help you feel full on few calories. Watch the bread and butter alongside it.

Health Conditions — Adjust or Avoid

Conditions

  • DiabetesAbout 25.6 g of carbohydrate per serving, mostly from the potato — modest, and the soup has no added sugar. Ask your clinician about portions.
  • High blood pressureAbout 827 mg of sodium per serving, mostly from the stock and added salt. Use low-sodium stock and less added salt if you limit sodium. Ask your clinician about portions.
  • Kidney diseaseLow in protein and potassium per serving; the sodium matters for kidney diets — use less added salt and low-sodium stock. Ask your clinician about portions.
  • GoutCelery, potato and leek are not typical gout triggers; the soup is low in purines. Ask your clinician about portions.
  • Stomach issuesSmooth, mild and easy to digest — one of the gentlest soups for a sensitive stomach. Eat it warm, not piping hot, and in small amounts if you are unwell. Ask your clinician about portions.
  • Cardiovascular diseaseA vegetable-based, low-fat soup with fibre — a good fit for a heart-friendly plate. The salt and cream are the parts to watch. Ask your clinician about portions.
  • Fatty liverLow in fat and calories with fibre from real vegetables, which suits a liver-friendly plate. Keep the cream modest. Ask your clinician about portions.
  • Food allergiesAllergens: milk (butter and cream) and celery (celery allergy is a recognised major allergen in Europe). Anyone with a celery allergy must not eat this dish; swap the dairy for oat cream and oil for a dairy-free version. Ask your clinician about ingredients you must avoid.
  • Special therapeutic dietsFits vegetarian plans as written. For a dairy-free plan, use oil and oat cream; for a low-sodium plan, use unsalted stock and no added salt. Ask your clinician about portions.

If you have a medical condition, consult your doctor before changing your diet.

Storage & Use

Storage & Use

How to store
Cool within 2 hours, then store in an airtight container. Add the cream only when reheating if you plan to freeze it.
In the fridge
Up to 3 days.
In the freezer
Up to 2 months without the cream (add cream fresh when serving).
How to reheat
Reheat gently in a covered pan over low heat for 8–10 minutes until steaming hot throughout, to 74°C (165°F). Stir in the cream at the end and do not boil.
Freezing recommended
Yes — freeze before adding the cream for the best texture.
Signs it has spoiled
Sour smell, grey colour, or mould on the surface.

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