Greek Vegetable Soup with Lemon and Herbs

Greek vegetable soup is a flexible, brothy dish built around seasonal vegetables, olive oil, and herbs; this version adds potatoes, chickpeas, lemon, and dill for a filling meal. Greek home-style versions vary, and this stovetop recipe keeps the flavors bright and simple without relying on one fixed list of vegetables.

Ingredients

2 tablespoons (30 ml) extra-virgin olive oil
1 medium yellow onion, diced, about 1 cup (150 g)
2 medium carrots, peeled and diced, about 1 cup (180 g)
2 celery ribs, diced, about ½ cup (80 g)
3 garlic cloves, finely chopped, about 1 tablespoon (9 g)
2 medium potatoes, peeled if desired and cut into ½-inch cubes, about 2½ cups (400 g)
1 medium zucchini, cut into bite-size pieces, about 1½ cups (200 g)
1½ cups (190 g) trimmed green beans, cut into 1-inch pieces
1 can diced tomatoes, 14½ ounces (411 g), with their juices
1 can chickpeas, 15 ounces (425 g), drained and rinsed, about 1½ cups (250 g)
8 cups (1.9 L) low-sodium vegetable broth
1 teaspoon (1 g) dried oregano
1 bay leaf
1½ teaspoons (9 g) fine salt, or less if the broth is salty
½ teaspoon (1 g) freshly ground black pepper
2 tablespoons (30 ml) fresh lemon juice, plus more to taste
1 teaspoon finely grated lemon zest, about 2 g
¼ cup (10 g) chopped fresh dill
¼ cup (15 g) chopped fresh flat-leaf parsley

Instructions

Prepare the vegetables. Dice the onion, carrots, and celery into small, fairly even pieces so they soften at a similar rate. Cut the potatoes into roughly ½-inch cubes, trim and cut the green beans, and chop the zucchini. Drain and rinse the chickpeas. Having everything ready before the pot goes on the heat makes the cooking sequence easier, especially because the zucchini and chickpeas go in later than the firm vegetables.
Soften the aromatics. Heat the olive oil in a large, heavy-bottomed soup pot or Dutch oven over medium heat. Add the onion, carrots, and celery and cook for 7 minutes, stirring every minute or two. The onion should look translucent and the carrots should begin to soften, but the vegetables do not need to brown. If the bottom of the pot looks dry or the onion starts to catch, lower the heat slightly and stir in a tablespoon of broth.
Add garlic and oregano. Stir in the garlic and dried oregano and cook for about 30 seconds, just until fragrant. Avoid letting the garlic turn dark, since browned garlic can make the broth taste bitter. Add the potatoes, tomatoes with their juices, vegetable broth, bay leaf, salt, and pepper. Stir and scrape the bottom of the pot to release any flavorful bits.
Simmer the potatoes. Raise the heat until the broth reaches a gentle boil, which usually takes about 4 minutes depending on the pot and burner. Reduce the heat to maintain a steady simmer, partly cover the pot, and cook for 14 minutes. Stir once or twice. The potatoes should be starting to become tender at the edges, but they should still hold their shape; they will continue cooking with the remaining vegetables.
Cook the green beans and zucchini. Add the green beans and zucchini, stir, and return the soup to a gentle simmer. Cook uncovered for about 10 minutes, stirring occasionally. The beans should be tender but not limp, and a knife should slide into a potato cube with only slight resistance. If your vegetables were cut larger than directed, give them a few extra minutes before adding the chickpeas.
Warm the chickpeas and finish. Stir in the drained chickpeas and simmer for 5 minutes, until hot throughout. Remove the pot from the heat and take out the bay leaf. Mix in the lemon juice, lemon zest, dill, and parsley. Taste the broth before adding more salt; then adjust with extra lemon juice or black pepper if it tastes flat. The lemon should make the soup lively, not sharply sour. Let the soup stand for 2 minutes, then ladle into bowls.

Tips

Cut vegetables evenly. Similar-size pieces cook at a similar pace. Keep the potatoes around ½ inch so they soften in the stated simmer, and cut the beans into short lengths that fit easily on a spoon. Very large potato chunks can stay firm while the zucchini becomes overcooked.
Keep a gentle simmer. A rolling boil can break up the potatoes and make the broth cloudy. Once the soup comes to a boil, lower the heat until small bubbles rise steadily. If it thickens more than you like, add broth or water in ¼-cup (60 ml) additions and taste for seasoning again.
Adjust salt near the end. Broths differ in saltiness, and the tomatoes and chickpeas contribute some seasoning too. The measured salt is a starting point; taste after the chickpeas have warmed and the lemon has been added. Add a little at a time rather than trying to correct an overly salty pot.
Choose a practical substitute. If fresh dill is unavailable, use 1 teaspoon (1 g) dried dill in the broth and finish with parsley. Dried dill is more concentrated and less fresh-tasting, so add it with the oregano. You can also swap vegetable broth for water, but the result will taste lighter and may need a little extra salt, lemon, and herbs.

Serving Suggestions

Serve the soup hot in wide bowls, with extra lemon wedges and a little chopped dill or parsley at the table. Crusty bread is useful for soaking up the tomato-and-herb broth; warm pita or a slice of toasted sourdough also works. For a fuller Greek-style spread, serve it alongside olives, sliced cucumber and tomato, or a simple salad dressed with olive oil and vinegar. Those sides add contrast without competing with the soup.

The chickpeas and potatoes make each bowl substantial, so the soup can stand on its own for lunch or a light dinner. If you are serving it as a first course, use smaller portions and follow it with grilled vegetables, roasted fish, or another main dish. A spoonful of plain Greek yogurt or crumbled feta can be offered at the table, though neither is necessary. If adding feta, taste first because its saltiness can change the seasoning of the bowl.

Variations

Use the vegetables you have. Replace the green beans with 1½ cups (180 g) chopped cabbage, or add 1 cup (150 g) diced celery root in place of one potato. Cabbage softens quickly, so add it with the zucchini; celery root is firmer and can go in with the potatoes. In spring, chopped spinach can be stirred in during the final 2 minutes, just long enough to wilt.

Make it more lemony. Add another tablespoon (15 ml) of lemon juice a little at a time after cooking. For a richer, more distinctly lemon-forward soup, you can stir in a small splash of olive oil just before serving. Do not add all the extra lemon at once: its intensity varies, and too much can cover the sweetness of the vegetables.

Change the beans or grain. White beans can replace the chickpeas in the same drained quantity; they are softer and make the broth creamier as they cook. For a soup with orzo, add ½ cup (85 g) dry orzo with the green beans and cook according to the package timing, adding broth if needed. Orzo absorbs liquid as it sits, so leftovers will be thicker and may need extra broth when reheated.

Storage and Reheating

Cool leftovers promptly and refrigerate them within 2 hours of cooking in shallow, covered containers. The soup keeps for 3 to 4 days in the refrigerator. For the best texture, store it without any optional toppings and add fresh herbs or a squeeze of lemon when serving again. The potatoes will soften somewhat as they sit, but the soup remains suitable for reheating within that storage window.

Reheat only the portion you plan to eat, either in a saucepan over medium heat or in a microwave-safe bowl, stirring occasionally so it warms evenly. Add a splash of broth or water if the soup has thickened. Leftovers should reach 165°F (74°C) when reheated; check the temperature with a food thermometer, especially when warming a large portion. Avoid repeatedly cooling and reheating the whole pot.

To freeze, cool the soup promptly and transfer it to freezer-safe containers, leaving a little room for expansion. Freeze for up to 2 to 3 months for best quality, then thaw overnight in the refrigerator and reheat to 165°F (74°C). The potatoes and zucchini may be softer after freezing, and the broth may look slightly less clear, but stirring and adding fresh lemon and herbs after reheating helps brighten the texture and flavor.

Frequently Asked Questions

Can I make Greek vegetable soup ahead of time?
Yes. Cook it through, cool it promptly, and refrigerate it for up to 3 to 4 days. The lemon and herbs are brightest when freshly added, so you can hold back a little dill, parsley, and lemon juice to stir in after reheating. If making it a day ahead, expect the potatoes to absorb some broth; loosen the soup with a little water or vegetable broth as needed.

Can I use frozen vegetables?
Yes. Frozen green beans can go straight into the pot without thawing; allow a few extra minutes if needed to bring the soup back to a simmer. Frozen zucchini tends to soften more than fresh, so add it near the end and cook just until hot. Avoid adding a large block of frozen vegetables at once, since it can lower the temperature and interrupt the simmer.

Is this soup vegan and gluten-free?
It is vegan when made with vegetable broth and the ingredients listed, and it contains no wheat-based ingredient. Check the broth label if you need to avoid gluten, since packaged products can vary. If you add orzo as a variation, the soup is no longer gluten-free unless you choose a suitable gluten-free pasta and confirm its cooking instructions.

Why are my potatoes still firm?
They may have been cut larger than ½ inch, or the soup may not have been simmering steadily. Continue cooking gently and test a potato with a fork every few minutes. If the zucchini and beans are already tender, lift them out with a slotted spoon while the potatoes finish, then return them to the pot so they do not become mushy.

Can I leave out the chickpeas?
Yes. The soup will be lighter and less filling, but the potatoes and vegetables still make a satisfying bowl. You can leave the chickpeas out without changing the cooking sequence, or replace them with drained white beans. If you omit them, taste the finished broth carefully, since the chickpeas otherwise add a mild, earthy flavor and some body.

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