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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, Welsh onions are highly nutritious and low in calories. They are an excellent source of Vitamin K for bone health, Vitamin C for immune support, and antioxidants like flavonoids that protect cells from oxidative stress.
A 100g serving of raw Welsh onion contains approximately 34 calories and 6.5g of carbohydrates. It also provides about 1.9g of protein and is very low in fat, making it a light addition to any meal.
Welsh onions are great for weight loss because they are low in energy density but high in flavor. Their dietary fiber content aids in digestion and helps promote a feeling of fullness, which can prevent overeating.
Yes, Welsh onions are keto-friendly. With only 6.5g of total carbohydrates per 100g, they can easily fit into a low-carb or ketogenic diet when used as a garnish or aromatic base.
Welsh onions are a natural vegetable and are both 100% vegan and gluten-free. They are safe for individuals with celiac disease or those following plant-based diets.
Welsh onions have a mild, sweet, and slightly peppery flavor that is less intense than a standard white or red onion. The white bulb is a bit more pungent, while the green stalks are fresh and grassy.
Yes, Welsh onions are frequently eaten raw as a garnish for salads, soups, and tacos. Eating them raw preserves their Vitamin C content, which can be sensitive to high cooking temperatures.
raw welsh onion is a versatile ingredient found in cuisines around the world. With 34 calories per 100g and 1.9 grams of protein, it's a nutritious addition to many dishes.
Explore more ingredients in the vegetable category with complete nutrition information.
View all vegetable →Discover 1 recipes featuring raw welsh onion with step-by-step instructions.
Browse recipes →Store Welsh onions in the refrigerator by wrapping them in a damp paper towel and placing them in a plastic bag. Alternatively, you can stand them upright in a jar with an inch of water on the counter for a few days.
When refrigerated properly, Welsh onions typically last between 7 to 10 days. You will know they have spoiled if the green tops become slimy, yellowed, or if the white base feels soft and mushy.
While they look similar, Welsh onions (Allium fistulosum) do not form a large bulb even when mature and have hollow leaves. They are generally hardier and have a slightly more complex flavor profile than standard scallions.