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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, boiled unsalted onions are very healthy as they are low in calories and fat-free. They provide essential fiber for digestion and antioxidants like quercetin, which helps reduce inflammation and supports heart health.
A 100g serving of boiled unsalted onion contains approximately 44 calories and 10.15g of carbohydrates. It also provides about 1.36g of protein and a negligible 0.19g of fat.
Onions contain about 10g of carbs per 100g, which is higher than leafy greens but manageable on a keto diet. They should be consumed in moderation to ensure you stay within your daily net carb limit.
Boiling can cause some water-soluble nutrients, such as Vitamin C and B vitamins, to leach into the water. However, many antioxidants and minerals remain, and using the cooking liquid in soups can help you retain those lost nutrients.
Boiling removes the sharp, pungent sting of a raw onion, leaving behind a mild, slightly sweet, and savory flavor. The texture becomes very soft and tender, making it easy to blend into sauces or eat as a side dish.
Yes, boiled onions are excellent for weight loss because they are low in energy density but high in fiber. The fiber content helps promote satiety, making you feel full for longer periods without adding many calories.
Boiled onions should be stored in an airtight container and will stay fresh in the refrigerator for 3 to 5 days. If you need to store them longer, they can be frozen for up to 3 months.
boiled unsalted onion is a versatile ingredient found in cuisines around the world. With 44 calories per 100g and 1.36 grams of protein, it's a nutritious addition to many dishes.
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Browse recipes →Absolutely. The leftover water is essentially a mild onion broth that contains leached vitamins and minerals. It can be used as a base for soups, stews, or gravies to add extra flavor and nutrition.
Yes, boiled unsalted onions are naturally vegan and gluten-free. They are a safe choice for individuals with celiac disease, gluten sensitivities, or those following a strict plant-based diet.
Spoiled boiled onions will typically develop a slimy texture, a sour or off-putting odor, or visible mold. If you notice any of these signs or if they have been in the fridge for more than 5 days, it is best to discard them.