Red Onions
Also known as:
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Also known as:
Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
A quintessential German beer garden and deli classic, Wurstsalat is a simple yet flavorful salad from Southern Germany. It features thinly sliced Fleischwurst (a mild German sausage), crisp red onions, and tangy pickles, all tossed in a zesty white wine vinegar dressing. Perfect for a light lunch, a hearty snack with bread, or as a side dish at a barbecue.
Tender, slow-roasted pork marinated in a bright, earthy achiote and citrus sauce. Shredded and served on warm corn tortillas with tangy pickled red onions, this is a taste of the Yucatán Peninsula.
A delicious homemade pizza with tangy BBQ sauce, tender shredded chicken, sharp red onions, and a gooey blend of mozzarella and smoked gouda cheese. This crowd-pleasing favorite is perfect for a fun weeknight dinner or a weekend gathering.
Yes, red onions are highly nutritious and low in calories, providing only 40 calories per 100g. They are rich in Vitamin C for immune support and contain powerful antioxidants like anthocyanins that help protect cells from damage.
Red onions are known for their heart-health benefits, as they contain compounds that may help lower blood pressure and cholesterol. They also provide prebiotics that support gut health and have anti-inflammatory properties that can reduce the risk of chronic disease.
Red onions contain approximately 9.3g of carbohydrates per 100g. While they can be included in a keto diet, they should be used in moderation as a garnish or flavor enhancer rather than a primary vegetable to stay within daily carb limits.
Yes, red onions are one of the most common onions to eat raw because they are generally milder and sweeter than white or yellow varieties. Eating them raw preserves their Vitamin C content and certain sulfur compounds that may be lost during cooking.
Red onions have a mild to moderately sweet flavor with a crisp texture. While they still possess a characteristic onion 'bite,' they are less pungent than yellow onions, making them ideal for salads, sandwiches, and salsas.
Whole red onions should be stored in a cool, dry, and dark place with plenty of air circulation, where they can last for several weeks. Once cut, they must be stored in an airtight container in the refrigerator and used within 7 to 10 days.
To mellow the pungent flavor of raw red onions, soak the slices or dice in a bowl of cold water or ice water for about 15 minutes. Drain and pat them dry before adding to your dish; this removes the harsh sulfur compounds while keeping them crunchy.
Red Onions is a versatile ingredient found in cuisines around the world. With 40 calories per 100g and 1.1 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 →A spoiled red onion will feel soft, mushy, or have visible dark spots and mold. It may also emit a strong, unpleasant odor; if the onion has sprouted, it is still safe to eat, though the texture may be less desirable and the flavor slightly more bitter.
Yes, red onions are excellent for weight loss because they are very low in fat and calories while providing significant flavor. Their fiber content can also help promote a feeling of fullness, making it easier to manage overall calorie intake.
The vibrant reddish-purple color of these onions comes from anthocyanins, which are powerful plant pigments and antioxidants. These compounds are not only responsible for the color but also provide the majority of the onion's anti-inflammatory and heart-protective benefits.
