Polish Green Bean Soup with Potatoes and Dill

Polish green bean soup is a comforting stovetop soup of tender green beans, potatoes, carrots, and dill in a savory broth, often finished with sour cream. Versions vary by household and season; this one keeps the vegetables distinct and the broth gently creamy, making it satisfying enough for a light meal.

Ingredients

2 tablespoons unsalted butter (28 g)
1 medium yellow onion, finely chopped (about 150 g)
2 medium carrots, peeled and cut into ¼-inch pieces (about 150 g)
1 celery stalk, finely chopped (about 40 g)
2 garlic cloves, finely chopped (about 6 g)
6 cups chicken or vegetable broth (1.4 L), preferably low-sodium
1 bay leaf (about 0.2 g)
2 whole allspice berries (about 0.5 g), or a small pinch of ground allspice
1¼ pounds waxy potatoes, peeled if desired and cut into ½-inch cubes (570 g)
1 pound fresh green beans, trimmed and cut into 1½-inch pieces (450 g); or 1 pound frozen cut green beans (450 g)
1 teaspoon fine salt (6 g), plus more to taste
¼ teaspoon freshly ground black pepper (0.5 g), plus more to taste
1 tablespoon all-purpose flour (8 g), optional, for a slightly thicker broth
½ cup sour cream (120 g), plus more to serve
¼ cup finely chopped fresh dill (about 10 g), divided
1 teaspoon lemon juice (5 ml), optional, to brighten the finished soup

Instructions

Prepare the vegetables. Chop the onion, carrots, celery, and garlic; cube the potatoes; and trim and cut the fresh beans. Keep the potato pieces close to the same size so they soften evenly. If using frozen beans, leave them frozen until they go into the pot. Measure the remaining ingredients before starting, since the soup moves along quickly once the broth is simmering.
Soften the aromatics. Melt the butter in a large, heavy pot or Dutch oven over medium heat. Add the onion, carrots, and celery and cook for 5 to 6 minutes, stirring occasionally, until the onion looks translucent and the carrots begin to soften. The vegetables should become tender without browning deeply. Stir in the garlic and cook for about 30 seconds, just until fragrant; garlic can turn bitter if left to brown.
Start the potatoes. Pour in the broth, then add the bay leaf, allspice, potatoes, salt, and pepper. Bring the liquid to a gentle boil, then reduce the heat to maintain a steady simmer. Partially cover the pot and cook for about 10 to 12 minutes. The potatoes will not be fully tender yet; starting them before the beans gives them a head start without leaving the beans to overcook.
Add and simmer the green beans. Stir in the fresh green beans and simmer, uncovered or with the lid slightly ajar, for 12 to 15 minutes. If using frozen beans, add them directly from the freezer and begin checking after about 10 minutes. Simmer until the potatoes are easily pierced with a knife and the beans are tender but still hold their shape. Keep the heat gentle: a hard boil can break up the potatoes and make the broth cloudy.
Thicken the broth if you like. For a fuller texture, whisk the optional flour with 2 tablespoons (30 ml) of cold water in a small bowl until smooth. Stir a ladleful of hot broth into the mixture, then slowly pour it back into the pot while stirring. Simmer for 2 minutes so the flour cooks through. Skip this step if you prefer a lighter, clearer broth; the potatoes and sour cream already give the soup some body.
Temper the sour cream. Turn the heat to low. Put the sour cream in a bowl and whisk in ½ cup (120 ml) of hot soup broth, a spoonful at a time, until it is warm and fluid. Stir this mixture into the pot along with about 3 tablespoons of the dill. Warm gently for 1 to 2 minutes, stirring, but do not let the soup boil after adding the sour cream, since boiling can make it look grainy or separated.
Season and serve. Remove the bay leaf and allspice berries. Taste the broth and adjust the salt and pepper; broth brands vary, so seasoning at the end matters. Add the optional lemon juice if the soup tastes especially rich or flat, then ladle into bowls and scatter the remaining dill over the top. Serve hot with extra sour cream if desired.

Tips

Choose the right potatoes. Waxy varieties such as red potatoes or Yukon Gold hold their shape better than very starchy baking potatoes. If you only have russets, cut them a little larger and stir carefully near the end; they may soften and thicken the broth more, which is pleasant but less brothy.
Use frozen beans without thawing. Frozen cut beans are a convenient substitute for fresh and work well here. They may need a few extra minutes to become tender, and their texture can be slightly softer, so check them as they simmer rather than relying only on the clock. Avoid canned green beans for this recipe because they are already very soft and can fall apart.
Keep the dairy smooth. Tempering the sour cream and keeping the finished soup below a boil help prevent curdling. Full-fat sour cream tends to behave more reliably than low-fat varieties. For a dairy-free pot, omit the butter and sour cream, use olive oil, and finish with extra dill and a squeeze of lemon; the broth will be lighter and less creamy.
Adjust thickness thoughtfully. The optional flour is a small, controlled thickener, not a requirement. If the soup is thicker than you want, stir in warm broth or water a little at a time. If you want it thicker without flour, mash a few cooked potato pieces against the side of the pot and stir them back in.

Serving Suggestions

Serve this soup as a first course or make it the center of a simple lunch with rye bread, crusty sourdough, or a warm roll for dipping. A slice of dark Polish rye is especially fitting with the dill and sour cream, but any sturdy bread that can catch the broth works. For a fuller meal, pair the soup with a plate of sliced tomatoes and cucumbers, a crisp green salad, or a simple cabbage salad dressed with vinegar.

Set out extra sour cream, chopped dill, and black pepper so everyone can finish a bowl to taste. A small dish of pickles or other tart, crunchy vegetables makes a useful contrast to the soft potatoes and creamy broth. If serving the soup as part of a larger meal, keep the portions modest and follow it with a baked savory dish or a simple fruit dessert rather than adding another rich course.

Variations

Make it vegetarian: Use vegetable broth and check that it has a savory, well-rounded flavor, since it supplies most of the soup’s depth. The recipe is already easy to make meat-free when prepared this way. If you want a more substantial vegetarian bowl, stir in a cup of drained white beans near the end; they add a soft, creamy element without changing the basic character of the soup.

Add smoked flavor: Some home versions use smoked meat or sausage. For a meat-based variation, brown about 4 ounces (115 g) of diced smoked bacon or kielbasa in the pot before adding the butter or vegetables, then proceed with the recipe. Reduce the added salt until you taste the finished broth, because smoked meat and broth can both be salty. This changes the soup from a light vegetable version into a heartier, more savory one.

Use a different herb or dairy finish: Dill is a familiar and distinctive finish, but flat-leaf parsley makes a practical substitute if fresh dill is unavailable; the result will taste milder and less anise-like. A spoonful of crème fraîche can replace the sour cream and gives a slightly richer, less tangy finish. Add either herb or dairy at the end so its flavor stays fresh.

Make it more brothy or more substantial: For a lighter soup, increase the broth by 1 cup (240 ml) and leave out the flour. For a thicker bowl, use the flour or mash some potatoes as described above. You can also add a handful of chopped cabbage with the green beans; it softens as the soup cooks and brings a gentle sweetness, so check the seasoning after it has simmered.

Storage and Reheating

Cool the soup promptly and refrigerate it within 2 hours of cooking. Store it in a covered container in the refrigerator for 3 to 4 days. The potatoes will continue to absorb broth as the soup sits, and the sour-cream finish may look less smooth when cold; these are normal texture changes. Stir in a little broth or water when reheating if it has thickened more than you like.

Reheat only the portion you plan to serve in a saucepan over medium-low heat, stirring occasionally until steaming hot throughout. Leftovers should reach 165°F (74°C), the USDA FSIS safe minimum for reheated leftovers; check the center with a food thermometer if you need to verify the temperature. Avoid bringing the soup to a vigorous boil, especially after the sour cream has been mixed in. For microwave reheating, use a microwave-safe bowl, cover loosely, stir at intervals, and check the temperature in more than one spot.

For longer storage, freeze the soup in airtight freezer-safe containers for up to 2 months for best quality. Leave a little room at the top for expansion and cool the soup before freezing. Dairy can separate slightly after thawing, so if you know you will freeze a batch, the best texture comes from freezing it before adding sour cream and dill. Thaw overnight in the refrigerator, reheat to 165°F (74°C), then stir in the tempered sour cream and fresh dill. Soup already finished with sour cream can still be frozen, but the texture may be less silky.

Frequently Asked Questions

Can I make Polish green bean soup with frozen green beans?
Yes. Add them straight from the freezer when the recipe calls for the fresh beans, and simmer until tender. Frozen beans can soften more quickly or release a little extra water, so check their texture several minutes before the upper end of the suggested cooking time. Do not thaw them first; that can make them limp before they even reach the pot.

Do I have to peel the potatoes?
No. Thin-skinned potatoes can be scrubbed well and left unpeeled, which saves time and gives the soup a more rustic look. Peel potatoes with thick or damaged skins, or peel them if you prefer a smoother appearance. Either way, cut them into evenly sized cubes so they cook at roughly the same pace.

Why did my sour cream separate?
The soup was probably too hot when the sour cream went in, or the sour cream was added cold without tempering. Lower the heat and whisk hot broth into the sour cream gradually before stirring it into the pot. If it has already separated, the soup is generally still usable; whisk it gently off the heat, but avoid boiling it in an attempt to smooth it out.

Can I prepare the soup ahead?
Yes. You can cook the soup through the vegetable simmer, cool and refrigerate it, then reheat it gently and add the tempered sour cream and fresh dill just before serving. This keeps the dill brighter and the dairy finish smoother. If fully finished ahead, it will still taste good, but the potatoes absorb some broth and the sour cream may need gentle stirring as it warms.

What can I use instead of allspice?
Use a small pinch of ground allspice if you do not have whole berries. If neither is available, omit it rather than replacing it with a large amount of another spice; bay leaf, vegetables, broth, and dill still give the soup plenty of flavor. Allspice is subtle here, so the soup should not taste strongly spiced.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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