Purple Cabbage
Purple cabbage (also called red cabbage) is a variety of Brassica oleracea with tightly packed, waxy leaves ranging from deep magenta to violet, streaked with white veins. It has a slightly firmer, denser texture and a bit more peppery bite than green cabbage, and its pigments (anthocyanins) shift color depending on the acidity of whatever it's cooked or dressed with.
Varieties
Purple cabbage and red cabbage are the same vegetable, just different regional names for it. Savoy cabbage, with its crinkled leaves, is a separate variety that only comes in green.
Buying tips
Choose a head that feels heavy and dense for its size, with tight, glossy leaves and no soft spots or cracking. Avoid heads with a lot of loose outer leaves removed, which can mean the cabbage sat around before being trimmed for display.
Substitutes
Green cabbage — 1:1
Milder flavor and softer texture; loses the color contrast but works fine cooked or in slaws once dressed.
Napa cabbage — 1:1
More delicate and slightly sweet, with thinner leaves; best raw or lightly cooked rather than braised.
Radicchio — 1:1
Similar deep red-purple color and a bitter edge instead of pepperiness; good in raw slaws where color matters more than exact flavor.
Kohlrabi, thinly sliced — 1:1
Crisp and mild with none of the color, but a close textural match for raw slaws.
Storage
Keep a whole head unwashed in the refrigerator crisper drawer, wrapped loosely in a plastic bag, for up to 3 to 4 weeks. Once cut, wrap the exposed edge tightly in plastic wrap and use within 5 to 7 days, since cut surfaces dry out and discolor faster than green cabbage.
How to use
Shred raw for slaws and salads, where it holds crunch and color for hours even after dressing. Braise with apples, vinegar, and a little sugar for a classic sweet-and-sour side. Roast wedges at 425°F for 20 to 25 minutes for a charred, tender side dish. Pickle thin slices in vinegar brine for tacos and sandwiches, where it turns a brighter pink within minutes.
What it pairs with
Pairs well with acidic ingredients like apple cider vinegar, citrus, and lime, which brighten its color, plus creamy elements like mayonnaise or yogurt in slaws, and with pork, salmon, and grilled fish tacos.
Nutrition
Purple cabbage is low in calories and a good source of vitamin C and vitamin K, and it contains more anthocyanin antioxidants than green cabbage, which is what gives it the color.
FAQ
Why does purple cabbage turn blue when cooked?
Its anthocyanin pigments are pH-sensitive: they turn blue-gray in neutral or slightly alkaline water and stay vivid pink-purple in acidic liquid. Adding a splash of vinegar or lemon juice to the cooking water keeps the color from dulling.
Does purple cabbage taste different from green cabbage?
Yes, it's slightly more peppery and a bit denser and chewier raw, which is why it holds up better in slaws that sit for a while before serving.
Will purple cabbage stain my cutting board?
Yes, especially plastic and light wood boards. Rinse the board immediately after cutting, or use a dedicated board for pigmented produce.
Can you eat purple cabbage raw?
Yes, it's commonly eaten raw in slaws and salads, and raw preparation preserves more of its vitamin C than cooking does.
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