Hungarian Lettuce Soup with Dill and Sour Cream Recipe

Hungarian lettuce soup, often called salátaleves, is a light, savory soup of tender lettuce in a garlicky broth enriched with milk and sour cream. Dill and a little vinegar give it a fresh, gently tangy finish, while a brief cooking time keeps the greens soft rather than dull and overcooked.

Ingredients

2 medium heads green-leaf lettuce, about 1 lb (450 g) trimmed leaves
2 tbsp unsalted butter (28 g)
1 small yellow onion, finely chopped, about 3½ oz (100 g)
2 garlic cloves, finely chopped, about 6 g
3 tbsp all-purpose flour (24 g)
4 cups low-sodium vegetable broth (946 ml)
2 cups whole milk (480 ml)
½ cup sour cream (120 g), plus extra for serving if desired
1 tbsp white wine vinegar (15 ml), plus more to taste
1 tsp granulated sugar (4 g)
1 tbsp finely chopped fresh dill (about 3 g), plus extra for garnish
¾ tsp fine salt (about 4 g), or to taste
¼ tsp freshly ground black pepper (about 0.5 g)

Instructions

Prepare the lettuce. Separate the leaves, rinse them well under cool running water, and check near the base for grit. Dry them in a salad spinner or pat them with a clean towel. Cut away any tough ribs, stack the leaves, and slice them into ribbons about ½ inch (1 cm) wide. Finely chop the onion and garlic while the lettuce drains.
Soften the onion. Melt the butter in a large saucepan or Dutch oven over medium heat. Add the onion and cook for 3 to 4 minutes, stirring occasionally, until softened and translucent but not browned. Stir in the garlic and cook for about 30 seconds, just until fragrant; browned garlic can make the soup taste bitter.
Make the roux. Sprinkle the flour over the onion mixture and stir continuously for about 1 minute. The flour should look moistened by the butter and lose its raw, powdery appearance, but it should stay pale. This short roux thickens the broth without giving the soup a toasted or heavy flavor.
Add broth gradually. Pour in about ½ cup (120 ml) of broth while whisking to make a smooth paste, then slowly whisk in the remaining broth. Bring the mixture to a gentle simmer, scraping the bottom and corners of the pan. Simmer for 7 to 8 minutes, stirring now and then, so the flour cooks through and the broth thickens slightly.
Wilt the lettuce. Add the sliced lettuce in handfuls, stirring as it goes in; it will shrink substantially. Simmer gently for 3 to 4 minutes, until the leaves are tender but still green. If the pot looks crowded at first, wait for the first handful to wilt before adding the next. Avoid a long boil, which can make the lettuce limp and muted in color.
Add the milk. Pour in the milk and stir in the sugar, salt, and pepper. Warm the soup over medium-low heat for about 3 minutes, stirring frequently, until steaming. Do not let it reach a rolling boil. Taste a spoonful and adjust the salt and pepper before adding the sour cream.
Temper the sour cream. In a small bowl, stir the sour cream until smooth. Whisk in ½ cup (120 ml) of hot soup a spoonful at a time, then pour the warmed mixture back into the pot while stirring. This gradual mixing helps prevent the sour cream from forming little curds. Keep the soup over low heat for 1 to 2 minutes, without boiling.
Finish and serve. Stir in the vinegar and chopped dill. Taste again: add another teaspoon of vinegar if you want a brighter, more pronounced tang, or a splash of milk if it tastes sharper than you like. Ladle into warm bowls and finish with a little extra dill or a small spoonful of sour cream.

Tips

Wash lettuce thoroughly. Dirt can collect where the leaves meet the base, so separate the leaves rather than rinsing the head only from the outside. Drying them is helpful but not essential; wet leaves may add a little water to the pot, so taste for seasoning at the end.
Keep the roux pale. A light roux gives this soup a delicate texture and lets the lettuce, dill, and tangy dairy come through. If the flour browns, it will add a toasted flavor and the finished soup may look darker than intended.
Use a gentle hand with vinegar. Vinegar is part of the soup’s character, but different brands and sour creams vary in tang. Start with the listed tablespoon, taste after stirring it in, and add more in small increments rather than trying to correct an overly sharp pot all at once.
Choose a substitute with its flavor in mind. If you do not have sour cream, crème fraîche works well and makes the soup a little richer and less tart. Plain full-fat yogurt can also be used, but it is more prone to splitting, so temper it carefully and do not boil the soup afterward.

Serving Suggestions

Serve the soup hot as a light first course or as a simple lunch. Crusty bread, rye bread, or a warm roll is useful for soaking up the creamy broth; boiled or roasted potatoes make the meal more substantial without competing with the fresh dill flavor. For a contrast in texture, offer sliced radishes or cucumber on the side, or scatter a few finely chopped scallions over each bowl.

Keep garnishes modest so the soup remains the focus. A small spoonful of sour cream and a pinch of dill are traditional-feeling finishes, while a few drops of vinegar at the table let each person adjust the tang. If serving it as part of a larger meal, pair it with a simple vegetable dish or a savory pastry rather than another rich cream-based course.

Variations

Make it vegetarian: The recipe is vegetarian as written when made with vegetable broth. Water can replace the broth, though the result will taste milder; compensate with a little extra salt, dill, or a small amount of additional vinegar after tasting. A low-sodium broth is useful because it lets you control the final seasoning.

Make it dairy-free: Use olive oil or a plant-based butter in place of the butter, an unsweetened oat or soy drink instead of milk, and an unsweetened plant-based sour cream. Choose products with a fairly neutral flavor. Coconut milk tends to add a noticeable sweetness and aroma that will take the soup in a different direction.

Change the herbs: Dill is a familiar partner for the lettuce and sour cream, but a smaller amount of finely chopped parsley makes a clean, mild finish. You can also use a little chive. If using dried dill, start with 1 teaspoon (about 1 g), stir it into the simmering broth, and taste before adding more; dried herbs are more concentrated and less fresh-tasting than the listed fresh dill.

Adjust the texture: For a soup with distinct lettuce ribbons, follow the recipe as written. For a smoother bowl, briefly blend part of the soup with an immersion blender before adding the sour cream, then stir it back in. Blending all of it creates a thicker, more uniform soup, but the lettuce’s fresh appearance and ribbon-like texture will be lost.

Storage and Reheating

Cool leftovers promptly and refrigerate them within 2 hours of cooking in a covered, shallow container. The soup keeps for 3 to 4 days in the refrigerator. Because it contains lettuce and dairy, its texture is best on the day it is made: the leaves soften further as they sit, and the broth may thicken. Stir in a splash of milk or broth if it seems too thick after chilling.

Reheat only the portion you plan to eat, in a saucepan over low to medium-low heat, stirring often. Heat leftovers to 165°F (74°C), as recommended for reheated leftovers, and avoid a hard boil because boiling can separate the dairy. A microwave also works: cover loosely, heat in short intervals, and stir between them so the soup warms evenly. Freezing is not recommended; the lettuce becomes limp and the dairy may turn grainy after thawing.

Frequently Asked Questions

What kind of lettuce works best?

Green-leaf lettuce is tender, mild, and easy to slice into ribbons, which makes it a good fit here. Butter lettuce also works but wilts especially quickly, so begin checking it after about 2 minutes in the broth. Romaine is firmer and gives a slightly more noticeable bite; remove its thickest ribs and allow an extra minute if needed. Avoid using only tough outer leaves.

Can I make Hungarian lettuce soup ahead?

You can make it earlier in the day and refrigerate it once it has cooled, but the lettuce will become softer and less vivid as it sits. For the freshest texture, prepare the onion-and-broth base ahead, refrigerate it, and then bring it back to a simmer and add the lettuce, milk, and dairy finish shortly before serving. Reheat any stored soup gently and thoroughly.

Why did my sour cream curdle?

Sour cream is more likely to split when it is added cold to very hot liquid or when the soup boils after it is added. Smooth it first, temper it with hot soup gradually, and return it to the pot over low heat. If small flecks appear, the soup is usually still usable, though it will not be as silky; an immersion blender may help smooth the texture.

Is Hungarian lettuce soup supposed to be sour?

It should taste pleasantly tangy rather than sharply sour. Sour cream and vinegar both contribute acidity, and the balance varies among regional and household versions. The measured vinegar gives a noticeable but moderate lift; taste before serving and adjust it a little at a time. If you have added too much, stir in a splash of milk and a small spoonful of sour cream.

Can I use bagged or prewashed lettuce?

Yes. Use about 1 lb (450 g) of prewashed lettuce and check the package directions; if it is labeled ready to eat, it does not need another wash. Bagged leaves are often smaller or more delicate, so add them gradually and start checking for tenderness after 2 to 3 minutes. The soup will still work, though the pieces may be less ribbon-like than hand-sliced leaves.

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