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Per 100g
Nutrition data source: USDA FoodData Central
Yes, canned onions are a healthy, low-calorie, and fat-free addition to meals. They provide antioxidants like quercetin and sulfur compounds that support heart health, though some heat-sensitive vitamins may be lower than in fresh onions due to the canning process.
Canned onions are very low in calories, containing approximately 19 calories per 100g. They are also low in carbohydrates, providing about 4.02g of carbs and less than 1g of protein per serving.
Yes, canned onions are keto-friendly as they contain only about 4g of carbohydrates per 100g. They are an excellent way to add flavor to low-carb meals without significantly increasing the calorie or sugar count.
Plain canned onions are naturally vegan and gluten-free. However, always check the ingredient label for added sauces, flavorings, or preservatives that might contain gluten or animal-derived ingredients.
Canned onions offer similar antioxidant benefits but have a much softer texture and a milder, less pungent flavor than fresh onions. While they are more convenient and have a longer shelf life, they may contain added sodium used during the preservation process.
Canned onions are best used in cooked dishes like soups, stews, casseroles, and pot roasts where a soft texture is preferred. Because they are already processed, they require very little cooking time and should be added toward the end of the recipe.
It is generally recommended to drain canned onions before use to remove the canning liquid. Rinsing them under cold water can also help reduce the sodium content if they were packed in a salty brine.
canned onion is a versatile ingredient found in cuisines around the world. With 19 calories per 100g and 0.85 grams of protein, it's a nutritious addition to many dishes.
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Browse recipes →Unopened cans should be stored in a cool, dry place like a pantry or kitchen cupboard. They typically remain shelf-stable for 2 to 5 years, but you should always check the 'best by' date on the can for optimal quality.
Once opened, canned onions should be transferred from the tin to an airtight glass or plastic container and refrigerated. They will typically stay fresh for 3 to 4 days when stored properly in the fridge.
While canned onions are safe to eat straight from the can, their texture is very soft and somewhat mushy compared to raw onions. They are generally more palatable when incorporated into cooked dishes or used as a topping for hot sandwiches.