It looks like a wrinkled ginger root, but it tastes nutty and fine and is a true feast for your gut bacteria. Jerusalem artichoke long led a shadowy existence next to the potato, but today it is celebrating its big comeback as a superfood. Here you can find out why this sunflower tuber not only makes diabetics happy but also acts as a natural prebiotic.
What you should know about Jerusalem artichoke
Jerusalem artichoke is a classic winter vegetable. The tuber season runs from October to March. During this time, it is seasonally available and a welcome change to winter meals.
Botanically, the plant belongs to the daisy family and is closely related to the sunflower – which can be seen in its beautiful yellow flowers in summer. However, the tubers are only harvested in autumn.
Nutrients & Effects
Jerusalem artichoke is your belly's best friend. It is particularly good for gut flora. This is due to the fiber inulin it contains. This substance serves as food for good gut bacteria and thus strengthens the immune system. Since inulin hardly affects blood sugar levels, Jerusalem artichoke is also known as the "diabetic's potato."
In addition, the tuber is rich in vitamin B, which is important for your nerves and metabolism. It has an alkaline effect in the body and helps with de-acidification. Despite its density, it is relatively low in calories (73 kcal per 100g) and extremely filling due to its high fiber content.
Taste & Texture
The taste is unique: an earthy taste that is both sweet and nutty – similar to artichoke hearts or parsnips. When raw, the texture is crisp like a carrot; when cooked, it becomes soft but retains some bite.
An important note from your overview: Jerusalem artichoke can cause bloating. Since the small intestine cannot break down inulin, bacteria in the large intestine flock to it – which can lead to gas formation ("Every little bean..." also applies to this tuber). Tip: Gradually accustom your body to small amounts and use caraway or fennel when cooking.
Preparation with Kitchen Appliances
The gnarled tuber can be prepared in many ways:
- Air fryer: Jerusalem artichoke chips are a delicacy! Slice the washed (unpeeled!) tubers thinly, mix them with oil and salt, and bake them until crispy in the air fryer. The earthy taste becomes wonderfully nutty when roasted.
- Blender: A fine Jerusalem artichoke cream soup is a classic. Cook the tubers until soft and purée them in a blender. Since it is filling, a small portion is often enough.
- Slow juicer / Juicer: You can juice Jerusalem artichoke raw! The juice is a highly concentrated prebiotic shot that is good for gut flora. However, be sure to mix it with apple or carrot, as the pure juice has a very intense earthy taste.
- Bread machine: For a moist, fiber-rich bread, add grated Jerusalem artichoke to the dough. The inulin ensures good moisture in the bread.
- Ice cube maker: Do you have leftover soup base? Freeze the Jerusalem artichoke purée in an ice cube maker. These cubes will later give sauces a creamy consistency and an interesting flavor note.
Purchasing & Storage
The tubers should be firm and plump. Since the skin is very thin, Jerusalem artichoke dries out quickly in the air and becomes wrinkled ("like ginger"). Store them unwashed in the refrigerator's vegetable drawer, preferably in a damp cloth or paper bag. They will keep for 1–2 weeks this way.
Use in the Kitchen
- Raw: Thinly sliced in salads (tastes nutty!).
- Cooked: As a purée or like boiled potatoes.
- Pan: As a fried potato substitute with onions and bacon.
Fun Facts
- Naming: The name comes from an indigenous tribe from Brazil (Tupinambá) who happened to be visiting Paris when the tuber was introduced there in the 17th century – marketing was everything even then!
- Spirited Idea: In Baden-Württemberg, "Jerusalem artichoke schnapps" (Rossler) is traditionally distilled from the tuber, which is considered a digestive schnapps.
- Leave the skin on: The skin is very thin and edible. Thorough scrubbing is often enough, saving the tedious peeling of the knobby tuber.
Conclusion
Jerusalem artichoke is the seasonally available insider tip for winter. It is filling, rich in vitamin B, and extremely good for gut flora. While it has an earthy taste that takes some getting used to and often causes bloating initially, it is irresistible as crispy chips from the air fryer or a creamy soup. Make the most of the time from October to March for your gut health!
