Irish-style cabbage and potato soup is a comforting one-pot meal made with tender potatoes, sweet cabbage, onion, broth, and milk. It is served hot, usually with bread, and its mild, savory flavor comes from letting the vegetables soften gently rather than relying on a long list of seasonings. Recipes vary between households; this version keeps the ingredients familiar and the texture creamy but still pleasantly chunky.
Ingredients
- 2 tablespoons unsalted butter (28 g)
- 1 tablespoon olive oil (15 ml)
- 1 medium yellow onion, diced (about 1 cup or 150 g)
- 2 celery stalks, diced (about ½ cup or 80 g)
- 2 garlic cloves, finely chopped (about 6 g)
- 2 pounds (900 g) Yukon Gold or russet potatoes, peeled if desired and cut into ½-inch (1.25 cm) cubes
- 6 cups low-sodium vegetable or chicken broth (1.42 L)
- 1 dried bay leaf
- 1 teaspoon dried thyme (about 1 g), or 1 tablespoon chopped fresh thyme (about 3 g)
- 1 teaspoon fine salt (6 g), plus more to taste
- ½ teaspoon black pepper (about 1 g), plus more to taste
- ½ medium green cabbage, cored and thinly sliced (about 1 pound or 450 g)
- 1 cup whole milk (240 ml)
- 2 tablespoons chopped fresh parsley or chives (about 8 g), optional, for serving
Instructions
- Prepare the vegetables. Dice the onion and celery, chop the garlic, and cut the potatoes into even cubes so they cook at the same rate. Remove the cabbage’s tough outer leaves, cut out the firm core, and slice the leaves into ribbons about ¼ inch (6 mm) wide. This preparation takes about 20 minutes; if you peel the potatoes, do so before cubing them.
- Soften the aromatics. Set a large, heavy soup pot or Dutch oven over medium heat. Add the butter and olive oil. When the butter has melted, stir in the onion and celery and cook for 5 minutes, stirring occasionally, until they look glossy and begin to soften. Add the garlic and cook for 1 minute, stirring so it does not scorch. The vegetables do not need to brown; keeping the heat moderate gives the soup a gentle, sweet base. This step takes 8 minutes total.
- Simmer the potatoes. Add the cubed potatoes, broth, bay leaf, thyme, salt, and pepper. Stir, raise the heat until the broth comes to a gentle boil, then lower it to maintain a steady simmer. Cover the pot with the lid slightly ajar and cook for 16 minutes. Check a few of the larger potato cubes with a fork: they should be nearly tender, with a little resistance at the center. If they are still firm, give them another minute or two before adding the cabbage.
- Cook the cabbage and make the soup chunky-creamy. Stir in the sliced cabbage, cover the pot again, and simmer for 10 minutes, stirring once or twice so the cabbage cooks evenly. It should be tender but still hold its shape. Remove the bay leaf. Use a potato masher to crush some of the potatoes against the side of the pot, leaving plenty of cubes intact. Mashing only part of the vegetables thickens the broth naturally while preserving a rustic texture. If you prefer a smoother soup, mash more; avoid vigorous blending, which can make potatoes gluey.
- Add the milk and finish. Reduce the heat to low and stir in the milk. Warm the soup gently for 4 minutes, stirring once or twice, until hot throughout; do not let it boil, because boiling can cause the milk to separate and dull the cabbage’s fresh flavor. Taste and adjust the salt and pepper. Ladle into bowls and finish with parsley or chives if you like. The cooking time is 38 minutes, for a total time of 58 minutes including preparation.
Tips
- Cut potatoes evenly. Cubes close to ½ inch cook in the stated time. Larger pieces take longer, while very small pieces can break down before the cabbage is tender. If your potatoes are not quite soft after 16 minutes, simmer them a little longer rather than rushing ahead.
- Choose the cabbage you can find. Green cabbage is widely available and gives the soup a familiar, mild flavor. Savoy cabbage also works and softens a little faster; check it after about 8 minutes so it does not become overly limp. Red cabbage is edible here, but it can tint the broth pink and has a slightly more assertive flavor.
- Season in stages. Low-sodium broth gives you more control, since salt levels vary among cartons and homemade stocks. Start with the listed teaspoon, then taste after the potatoes and cabbage have cooked and again after adding milk. If the soup tastes flat, a small pinch of salt often helps more than extra herbs.
- Keep the texture in mind. The soup thickens as potatoes release starch and as it cools. Mash just part of the pot for a creamy, spoonable result. If it becomes thicker than you like, stir in warm broth or milk a little at a time; adding a large amount at once can make the flavor seem diluted.
Serving Suggestions
Serve the soup hot in warmed bowls with Irish brown bread, soda bread, or another sturdy loaf for dipping. Buttered toast, rye bread, or simple crackers also work when you want an easy side. The soup is filling enough to serve as a light main course, especially with a crisp green salad dressed with a tart vinaigrette to balance the soft, mellow vegetables.
For a simple topping, add chopped parsley or chives, a few turns of black pepper, or a small swirl of cream. Keep toppings modest so they do not cover the cabbage and potato flavor. If serving a group, put bread and toppings on the table separately so each person can choose how much to add. The recipe makes six moderate bowls; serve smaller portions as a starter or larger bowls as the main meal.
Variations
Make it vegetarian: Use vegetable broth, checking that it is savory rather than overly sweet. For a vegan version, replace the butter with an additional tablespoon of olive oil and use unsweetened oat milk or another plain, unsweetened plant milk. Oat milk keeps the soup fairly mellow; coconut milk adds a noticeable coconut flavor, so it is less neutral.
Add a little richness: Replace half a cup (120 ml) of the milk with half-and-half or light cream. Stir it in over low heat at the end as directed, and avoid boiling. A richer dairy finish makes the soup feel more luxurious but is not necessary for the potatoes to thicken it.
Use leeks or extra herbs: Replace half the onion with 1 large leek, about 1 cup (100 g) sliced, rinsed carefully to remove grit. Leek gives the base a softer, slightly sweeter allium flavor. A little fresh dill or parsley can be added just before serving; add delicate herbs at the end rather than simmering them for the full cooking time.
Adjust the consistency: For a brothier soup, skip the mashing and add up to 1 cup (240 ml) extra broth. For a thicker bowl, mash another portion of the potatoes or simmer uncovered for a few minutes before adding the milk. Avoid adding flour as a quick thickener: it can make the soup pasty and obscures the naturally creamy texture from the potatoes.
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. It thickens as it sits, so stir in a splash of broth or milk when reheating if needed. Reheat gently on the stove over medium-low heat, stirring often, or microwave in a covered, microwave-safe bowl in short intervals, stirring between intervals. USDA FSIS advises reheating leftovers to 165°F (74°C); check the center with a food thermometer, and avoid letting the soup boil hard.
To freeze, cool the soup promptly, portion it into freezer-safe containers with room for expansion, and freeze for up to 2 months for best quality. Milk-based soups can separate or become slightly grainy after thawing, though stirring while reheating often improves the texture. Thaw overnight in the refrigerator, then reheat as above. For the smoothest result, you can also freeze the soup before adding milk and stir the milk in after thawing and reheating.
Frequently Asked Questions
What potatoes are best for cabbage and potato soup?
Yukon Gold potatoes are a reliable choice because they hold their shape while also mashing easily to thicken the broth. Russets work well too and make the soup a little softer and starchier. If using waxy red potatoes, expect a broth that stays thinner and potato cubes that keep their shape more firmly.
Can I make this soup without milk?
Yes. Leave out the milk and use an extra 1 cup (240 ml) of broth, or add broth gradually until the consistency suits you. Mashing some of the potatoes still gives the soup body. You can also use plain, unsweetened oat milk; avoid sweetened or flavored plant milk, which will change the savory taste.
How do I stop the potatoes from turning gluey?
Cut them into even pieces, simmer rather than rapidly boil, and mash only part of the soup with a hand masher. High-speed blending breaks down potato starch more aggressively and can create a stretchy texture. If you want a smooth soup, use an immersion blender briefly and stop as soon as the vegetables are combined.
Can I prepare it ahead?
Yes. Make the soup a day ahead, cool it promptly, and refrigerate it covered. The flavors settle as it rests, and the potatoes will absorb some of the broth, so plan to add a little extra broth or milk while reheating. For the best cabbage texture, avoid cooking it far beyond tender when making the soup in advance.
Can I use savoy cabbage or leftover cooked cabbage?
Savoy cabbage is a good direct substitute; slice it into ribbons and begin checking for tenderness after about 8 minutes. Previously cooked cabbage is softer, so stir it in near the end and heat it through rather than simmering it for the full 10 minutes. Keep in mind that cooked cabbage may have a stronger flavor and can make the finished soup less fresh-tasting.
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