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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, frozen onions are very healthy. They are rich in antioxidants like quercetin, which helps fight inflammation, and contain sulfur compounds that may support heart health. They also provide prebiotic fiber for gut health and Vitamin C for immunity.
Per 100g, frozen onions are low in calories, providing about 35 calories. They contain approximately 0.89g of protein, 8.45g of carbohydrates, and a negligible 0.06g of fat. They are also a good source of dietary fiber.
Yes, frozen onions retain most of the nutritional value of fresh onions. Freezing is an excellent way to preserve nutrients, and the quick-freezing process helps lock in vitamins, minerals, and antioxidants. Any minimal loss is generally insignificant.
Yes, frozen onions are naturally both vegan and gluten-free. They consist solely of onions, a plant-based vegetable, and contain no animal products or gluten-containing ingredients.
While onions contain carbohydrates, frozen onions can be used in moderation on a keto diet. With approximately 8.45g of carbs per 100g, they are not as low-carb as some other vegetables, but small amounts can add flavor without significantly impacting carb intake.
Frozen onions can be added directly to most hot dishes without thawing. They are excellent for sautéing, roasting, or incorporating into soups, stews, casseroles, and sauces. Just be aware they release more water than fresh onions, so adjust cooking time accordingly.
Generally, no, frozen onions do not need to be thawed before cooking. For most applications like sautéing or adding to hot dishes, you can use them straight from the freezer. Thawing them first can sometimes make them mushier.
frozen onion is a versatile ingredient found in cuisines around the world. With 35 calories per 100g and 0.89 grams of protein, it's a nutritious addition to many dishes.
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Browse recipes →Frozen onions are ideal for dishes where their texture isn't the primary focus, such as soups, stews, chili, casseroles, stir-fries, and sauces. They blend well into cooked dishes, providing flavor without the need for chopping fresh onions.
Properly stored, frozen onions can last for 6 to 8 months in the freezer while maintaining optimal quality. They will remain safe to eat beyond that, but their texture and flavor might degrade over time.
Frozen onions retain much of the flavor of fresh onions, but their texture will be softer and less crisp due to the freezing process. They are best used in cooked applications where a firm texture isn't required, as they won't have the same bite as raw or freshly sautéed onions.