
sweet onion
Also known as: Walla Walla onion, Vidalia onion
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Also known as: Walla Walla onion, Vidalia onion
Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Fluffy baked egg squares packed with colorful bell peppers, sweet onions, and aromatic herbs. A perfect protein-rich, salt-free option for a quick breakfast or snack on the go. Great for meal prepping!

A quintessential Maharashtrian breakfast, this dish combines fluffy flattened rice with soft potatoes, sweet onions, and crunchy peanuts. It's a quick, wholesome, and savory meal, perfect for starting your day.

Tender, savory cabbage simmered with smoky bacon and sweet onions. This classic Southern side dish is pure comfort food, ready in about 30 minutes and pairs perfectly with cornbread to soak up every last drop of flavorful potlikker.

Tender, savory cabbage slow-braised with smoky bacon, sweet onions, and a hint of tangy vinegar. This classic Southern side dish is pure comfort food and comes together in one pan for easy cleanup.
Yes, sweet onions are highly nutritious. They are rich in antioxidants like quercetin, which helps reduce inflammation and lower blood pressure, and they provide Vitamin C for immune health and prebiotic fibers for gut health.
A 100g serving of sweet onion contains approximately 32 calories and 7.6g of carbohydrates. They are very low in fat (0.1g) and provide about 0.8g of protein, making them a light, flavor-enhancing vegetable.
Sweet onions are excellent for weight loss because they are low in calories but high in volume and flavor. Their fiber content can help promote satiety, allowing you to add significant taste to dishes without adding many calories.
Sweet onions can be included in a keto diet in moderation. While they contain 7.6g of carbs per 100g—which is higher than leafy greens—small amounts used for flavoring are generally acceptable within daily carb limits.
Yes, sweet onions are a natural plant-based food and are both 100% vegan and gluten-free. They are suitable for almost all dietary restrictions, including Paleo and Whole30 diets.
Sweet onions have a much milder, less pungent flavor than standard yellow or red onions. Due to their higher sugar and water content and lower sulfur levels, they lack the sharp 'bite' and lingering aftertaste typical of other varieties.
Yes, sweet onions are the best variety for raw consumption. Their mild flavor and crisp texture make them ideal for topping burgers, adding to fresh salads, or mixing into salsas without overpowering the other ingredients.
sweet onion is a versatile ingredient found in cuisines around the world. With 32 calories per 100g and 0.8 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 8 recipes featuring sweet onion with step-by-step instructions.
Browse recipes →Store sweet onions in a cool, dry, and well-ventilated area. Because they have a higher water content than storage onions, they are more perishable and should ideally be used within 1-2 weeks or stored in the refrigerator to extend their shelf life.
A spoiled sweet onion will feel soft or mushy, show dark spots or mold, or emit a pungent, unpleasant odor. If the onion has sprouted significantly or feels hollow, it is likely past its prime and should be discarded.
Sweet onions generally cause much less tearing than other onions. This is because they contain lower levels of sulfur compounds, which are the chemicals responsible for producing the gas that irritates the eyes during slicing.