Chef Freja
Aeblesuppe
Warm Danish apple soup for the first cool evenings of autumn. Tart apples simmered with cinnamon and lemon peel, thickened to a soft gloss, and served with cold cream and buttery toasted oats.
Culinary Explorer
A cooking platform built around craft, culture, and the stories behind what we eat.
Sellerisuppe
Created by Chef Freja
Danish celeriac soup finished with cream, fresh nutmeg, and a vivid drizzle of parsley oil. Autumn's earthy answer when the root vegetables come in and the evenings draw down.
Soups & Stews
Danish
Weeknight
Comfort Food
Make Ahead
20 min
Active Time
40 min cook•1 hr total
Yield4 servings
Celeriac is not a beautiful vegetable. It arrives at the market knobbled and muddy, with hairy roots still clinging to its base, and for most of the year nobody looks twice at it. Then October turns into November, the first frosts come, and suddenly this is the root you want. The cold concentrates the sugars in celeriac the way it does with kale and parsnip, and by late autumn the flavor is at its peak: nutty, sweet, faintly of hazelnut and wet earth.
Sellerisuppe is how Danish kitchens have always honored the ugly vegetables of the root cellar. You sweat leeks and onion in butter, add the celeriac and a little potato for body, simmer everything in good stock until it collapses, and blend it until the texture turns to silk. Cream goes in at the end to round the edges. Fresh nutmeg on top, because celeriac and nutmeg belong to each other in a way you only understand once you've tasted them together. A drizzle of bright green parsley oil to cut through the richness and catch the light.
I want you to pay attention to two things. The first is the moment you add the celeriac to the softened leeks and let it cook for five minutes before the stock goes in. That short time in butter is where the nuttiness develops, and skipping it gives you a flatter soup. The second is the nutmeg. Grate it fresh from a whole nut, never from a jar of pre-ground dust. The difference is the difference between a photograph and a memory. This is the kind of bowl that makes a grey Copenhagen evening feel like something you chose instead of something that happened to you.
Celeriac has been grown in Danish kitchen gardens since at least the 1700s, part of the knoldselleri and kaelderrodfrugter tradition: the knobbled roots that Danish households stored in sand-filled cellar boxes to carry them through the months when nothing fresh grew. For generations it was considered humble food, peasant stock, rarely written about in the cookbooks of the Copenhagen bourgeoisie. Its rehabilitation came in the late twentieth century, when Danish cooks rediscovered the root vegetables of their own pantry and found that celeriac, slowly cooked, had a depth of flavor the imported produce of the supermarket had never matched.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
celeriac
Quantity
1 large, about 900g
peeled and cut into 2cm cubes
floury potatoes
Quantity
300g
peeled and roughly chopped
leek
Quantity
1 medium
white and pale green parts, sliced
yellow onion
Quantity
1 small
finely chopped
unsalted butter
Quantity
50g
chicken or vegetable stock
Quantity
1 litre
double cream
Quantity
150ml
whole nutmeg
Quantity
for grating
fine sea salt
Quantity
to taste
white pepper
Quantity
to taste
flat-leaf parsley
Quantity
small bunch, about 30g
leaves picked
mild olive oil or neutral oil
Quantity
100ml
for the parsley oil
dark rugbrod
Quantity
thick slices, to serve
| Ingredient | Quantity |
|---|---|
| celeriacpeeled and cut into 2cm cubes | 1 large, about 900g |
| floury potatoespeeled and roughly chopped | 300g |
| leekwhite and pale green parts, sliced | 1 medium |
| yellow onionfinely chopped | 1 small |
| unsalted butter | 50g |
| chicken or vegetable stock | 1 litre |
| double cream | 150ml |
| whole nutmeg | for grating |
| fine sea salt | to taste |
| white pepper | to taste |
| flat-leaf parsleyleaves picked | small bunch, about 30g |
| mild olive oil or neutral oilfor the parsley oil | 100ml |
| dark rugbrod | thick slices, to serve |
Equipment Needed
- •Heavy-bottomed pot, 4 litre
- •Stick blender or upright blender
- •Fine grater or microplane for the nutmeg
- •Small blender or food processor for the parsley oil
- •Fine sieve or muslin, optional, for straining the oil
Instructions
- 1
Sweat the aromatics
Melt the butter in a heavy pot over a gentle heat. Add the chopped onion and sliced leek with a good pinch of salt. Stir them through the butter, put the lid on, and sweat them for eight to ten minutes until soft and translucent. You never want them browned. Brown gives caramel and bitterness, and this soup is built on quiet earthy sweetness, not sugar.
Lift the lid and listen. If you hear sharp sizzling, the heat is too high. The sound you want is a soft hush, almost silent. - 2
Add the celeriac
Tip in the cubed celeriac and stir it through the softened leeks and butter. Let it cook for five minutes with the lid off, stirring now and then. This step matters. The celeriac releases a little of its starch and begins to mellow. Raw celeriac tastes of parsley and earth. Cooked slowly in butter, it turns nutty and rounded, and that is the flavor you are after.
- 3
Simmer with potato
Add the chopped potatoes and pour in the stock. Bring everything to a gentle simmer and cook for twenty to twenty-five minutes until the celeriac and potato are completely tender. A knife should slide through the largest piece with no resistance at all. Any resistance and the blended soup will be grainy, and grainy is not what sellerisuppe wants to be.
- 4
Make the parsley oil
While the soup simmers, make the parsley oil. Bring a small pot of water to the boil and have a bowl of iced water ready. Drop the parsley leaves into the boiling water for ten seconds, lift them out, and plunge them into the ice bath. This sets the color bright green and stops the leaves from turning khaki later. Squeeze them dry in a clean cloth, then blend with the oil and a small pinch of salt until smooth and vivid green. Strain through a fine sieve or a piece of muslin if you want it clear. If you don't mind a little texture, leave it as it is.
The ten-second blanch is the trick. It locks the chlorophyll in. Skip it and your oil will be green for an hour and then turn the color of wet leaves. - 5
Blend until silken
Take the pot off the heat and blend the soup until it is completely smooth and silken. A stick blender works directly in the pot, but if you want the glossiest finish, tip it into an upright blender and run it for a full minute. The longer you blend, the more velvet the texture. Pour it back into the pot.
- 6
Finish with cream and nutmeg
Stir in the cream and warm the soup through gently. Never let it boil once the cream is in, or the surface will break and go oily. Grate a generous amount of fresh nutmeg straight into the pot, about a quarter of a whole nutmeg, and season with salt and white pepper. Taste it. The celeriac should be forward, nutty and a little sweet, with the nutmeg lifting it from behind. Adjust until it tastes right. You'll know when it's right because you'll want a second spoonful before you've put the first one down.
- 7
Serve
Ladle the soup into deep bowls. Drizzle the parsley oil across the surface in a loose spiral, enough that you can see the green against the pale cream of the soup. Grate a little more nutmeg over the top. Serve immediately with thick slices of dark rugbrod alongside. Tak for mad.
Chef Tips
- •Buy celeriac that feels heavy for its size and has no soft spots. A light celeriac is a dry celeriac, and a dry celeriac has lost its flavor to storage.
- •Peel the celeriac with a sharp knife, not a vegetable peeler. The skin is too thick and knobbled for a peeler to handle properly. Cut off the top and bottom, stand it on a board, and slice the skin away in strips from top to bottom.
- •The soup will taste slightly sweeter the next day, as celeriac continues to mellow in the fridge. Some cooks prefer it then. Make it in advance if you're feeding people on a weeknight and you want the kitchen calm when they arrive.
- •A glass of dry Riesling or a crisp Danish pilsner is the drink I'd reach for. Both have enough acidity to cut the cream and enough restraint to let the celeriac speak.
Advance Preparation
- •The soup keeps for three days in the fridge. Reheat gently over a low flame and stir well before serving. Never boil it once the cream is in.
- •It also freezes well for up to two months. Cool completely, freeze in portions, and defrost overnight in the fridge before reheating.
- •The parsley oil can be made a day ahead and kept in a small jar in the fridge. Bring it back to room temperature before drizzling, or the cold oil will seize on the hot soup.
Frequently Asked Questions
Nutrition Information
1 serving (about 700g)
Calories
670 calories
Total Fat
43 g
Saturated Fat
19 g
Trans Fat
1 g
Unsaturated Fat
22 g
Cholesterol
80 mg
Sodium
1180 mg
Total Carbohydrates
59 g
Dietary Fiber
9 g
Sugars
7 g
Protein
10 g
Where cooking meets culture.
Culinary guides, cultural storytelling, and the editorial depth that makes cooking meaningful.
Discover Culinary ExplorerMore from Danish Soups
Browse the full collection
Chef Freja
Aspargessuppe med Kødboller og Melboller
Danish white asparagus velouté with tiny veal meatballs, flour dumplings, and bright green tips scattered on the surface. The Easter soup of Copenhagen, built from five small pans of spring.
Chef Freja
Blomkaalssuppe
A Danish cauliflower cremesuppe pureed to velvet, crowned with crisp bacon and tiny North Sea shrimp. The kind of weeknight bowl that makes the whole evening feel cared for.
Chef Freja
Bornholmsk Fiskesuppe
A saffron-gold fish soup from Bornholm with cod, mussels, and cream, served with dark rugbrod from the island's smokehouse tradition. Baltic cooking at its most generous.