white onion
Also known as:
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Also known as:
Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
A classic all-beef hot dog steamed to perfection, nestled in a poppy seed bun and piled high with a unique combination of yellow mustard, chopped white onions, bright green sweet pickle relish, a dill pickle spear, tomato slices, sport peppers, and a dash of celery salt.
A classic Mexican taqueria topping, this simple mix of finely diced white onion and fresh cilantro, brightened with lime juice, adds a clean, crisp, and zesty crunch. It's the essential final touch for authentic street-style tacos.
A classic, vibrant mix of finely diced white onion, fresh cilantro, and tangy lime juice. This simple relish, often served with tacos and grilled meats in Mexican-American cuisine, adds a crunchy, zesty burst of freshness and is ready in just 10 minutes.
Yes, white onions are highly nutritious and low in calories. They are an excellent source of Vitamin C for immune support and contain potent antioxidants like quercetin, which helps reduce inflammation and may lower blood pressure.
White onions contain sulfur compounds that support heart health and may have anti-cancer properties. They also provide prebiotic fibers that feed beneficial gut bacteria, promoting better digestion and overall gut health.
A 100g serving of white onion contains approximately 40 calories, 9.34g of carbohydrates, and 1.1g of protein. They are virtually fat-free, containing only 0.1g of fat per serving.
White onions can be included in a keto diet when used in moderation. While they contain about 9g of carbs per 100g, they are typically used as a seasoning or garnish in small quantities that fit within daily carb limits.
Yes, white onions are frequently eaten raw because they have a crisp texture and a sharp, clean flavor. They are a staple in raw preparations like salsas, salads, sandwiches, and as a topping for street tacos.
White onions are generally sharper and more pungent than yellow onions, with a slightly thinner skin. While yellow onions become very sweet when caramelized, white onions maintain a bit more of their bite and crunch.
Whole white onions should be stored in a cool, dry, and dark place with plenty of ventilation, where they can last for several weeks. Once cut, they must be stored in an airtight container in the refrigerator and used within 7 to 10 days.
white onion is a versatile ingredient found in cuisines around the world. With 40 calories per 100g and 1.1 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 10 recipes featuring white onion with step-by-step instructions.
Browse recipes →A spoiled white onion will feel soft, mushy, or have visible dark spots and mold. It may also emit a strong, unpleasant odor; if the onion is firm and smells fresh, it is usually safe to eat.
Yes, white onions are a versatile substitute for yellow or red onions in most recipes. They work particularly well as a substitute in Mexican dishes or any recipe where a crunchy texture and sharp flavor are desired.
No, white onions are considered high-FODMAP because they contain fructans, which are fermentable carbohydrates. People with Irritable Bowel Syndrome (IBS) or specific digestive sensitivities may need to avoid them to prevent bloating and discomfort.
