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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, onion powder offers several health benefits, similar to fresh onions but in a concentrated form. It provides antioxidants like quercetin, which can help reduce inflammation and protect against chronic diseases. It also supports heart health and offers antibacterial properties.
Per 100g, onion powder contains approximately 341 calories, 10.41g of protein, 79.12g of carbohydrates, and 1.04g of fat. While these numbers seem high, a typical serving size is very small (e.g., 1 teaspoon), contributing minimal calories and carbs to a dish.
Onion powder can be a helpful tool for weight loss. It adds significant flavor to meals without adding substantial calories, fat, or sodium, making healthy eating more enjoyable. Using it can reduce the need for higher-calorie flavor enhancers.
Yes, pure onion powder is naturally gluten-free as it is made solely from dried and ground onions. However, always check the label for certifications if you have a severe gluten allergy, as cross-contamination can occur in facilities that process other ingredients.
Yes, onion powder is 100% vegan. It is derived entirely from plants (onions) and contains no animal products or by-products. It's a staple in many vegan kitchens for adding savory depth.
In small amounts, onion powder can be keto-friendly. While 100g contains a high amount of carbs (79.12g), a typical serving of 1 teaspoon (about 2-3g) only contributes around 1.6-2.4g of net carbs. Use it sparingly to add flavor without exceeding your daily carb limit.
Onion powder is incredibly versatile and can be used in almost any savory dish. It's excellent in dry rubs for meats, marinades, soups, stews, sauces, dressings, and casseroles. It blends seamlessly into dishes, providing a consistent onion flavor without the texture of fresh onions.
onion powder is a versatile ingredient found in cuisines around the world. With 341 calories per 100g and 10.41 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 onion powder with step-by-step instructions.
Browse recipes →Yes, you can substitute onion powder for fresh onions, especially when you want the flavor without the moisture or texture. A general rule of thumb is 1 teaspoon of onion powder for one small fresh onion, or 1 tablespoon of onion powder for one medium fresh onion. Remember that the flavor is more concentrated.
To maintain its potency and flavor, store onion powder in an airtight container in a cool, dark, and dry place, away from direct sunlight and heat. This prevents moisture absorption and preserves its aromatic qualities.
While onion powder doesn't truly 'expire' in a way that makes it unsafe, it does lose its potency and flavor over time. Typically, it's best used within 2-3 years of opening. You'll notice it's past its prime if it lacks a strong aroma or taste.