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Welsh onion

Welsh onion is a mild allium with hollow leaves and a slender white base, both used raw or cooked as seasoning or garnish.

Welsh onion — illustrative ingredient image

About Welsh onion

Welsh onion is a cultivated allium with hollow green leaves and a slender white base; it does not form the large bulb associated with common bulb onions. Its flavour is onion-like, fresh and relatively mild, with the white base often stronger than the leaves.

Both the leaves and base are used raw or cooked, including as a garnish or seasoning and in soups and stir-fries. It is sold fresh in bunches, and maturity and growing conditions affect the proportions and intensity of its edible parts.

Ingredient type
whole food

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Where welsh onion appears

0 linked foods

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Food connections are still being added.

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Name examples awaiting language review. Confirm the specific food or product.

Local names for welsh onion

Names and romanised forms to recognise on menus and labels.

Chinese

大葱

dàcōng

Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.

Welsh onion nutrition & diet

Welsh onion nutritional value

Onions, welsh, raw

Per 100 g of the edible portion in the recorded USDA food form.

Calories
34kcal
Protein
1.9g
Carbs
6.5g
Fat
0.4g

Reference values for the displayed USDA form. Varieties, brands and preparation can differ.

State whether measurements refer to the leaves, the white base or the whole trimmed plant, and whether it is raw or cooked.

Dietary compatibility

  • Vegan
    Not established
  • Vegetarian
    Not established
  • Pescatarian
    Not established
  • Keto
    Not established
  • Paleo
    Not established
  • Low-carb
    Not established
  • Halal
    Not established
  • Kosher
    Not established
What these diet assessments mean
Vegan · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Vegetarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Pescatarian · Not established
The available profile does not establish the full composition or processing for this dietary pattern.
Keto · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Paleo · Not established
The ingredient form and processing have not been assessed against this dietary pattern.
Low-carb · Not established
A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
Halal · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
Kosher · Not established
Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.

For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.

Reviewed ingredient entryIngredient reference · Preparations vary

AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.

Sources & review

Nutrition reference: USDA FoodData Central — Onions, welsh, raw ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.

Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.

The ingredient description and dish connections come from the draft catalogue and may change after review.

Last recorded verification: .