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Per 100g
Nutrition data source: USDA FoodData Central
Common measurement equivalents in grams
Yes, onion slices are very healthy as they are rich in antioxidants and anti-inflammatory properties. They provide essential nutrients like Vitamin C and B vitamins while supporting gut health through their prebiotic content.
Onion slices are low in calories, containing approximately 40 calories per 100g. They have about 9.34g of carbohydrates, 1.1g of protein, and a negligible 0.1g of fat, making them a light addition to meals.
Onion slices can be included in a keto diet when consumed in moderation. While they contain about 9.3g of carbs per 100g, the amount typically used as a topping or garnish is small enough to fit within most daily carb limits.
Eating onion slices may help reduce risk factors for heart disease and protect cells from damage due to their high antioxidant levels. Their prebiotic fibers also support a healthy gut microbiome and improve digestion.
Yes, onion slices are a natural vegetable and are inherently both vegan and gluten-free. They are a safe and flavorful addition for individuals following plant-based or Celiac-friendly diets.
Yes, onion slices can be eaten raw and are commonly used in salads, sandwiches, and burgers. Eating them raw preserves certain sulfur compounds and Vitamin C that can be diminished during the cooking process.
Leftover onion slices should be stored in an airtight container or a tightly sealed zip-top bag in the refrigerator. They will typically stay fresh for 7 to 10 days, but ensure they are sealed well to prevent their strong scent from affecting other foods.
Onion Slices 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 →Discover 1 recipes featuring onion slices with step-by-step instructions.
Browse recipes →Yes, you can freeze onion slices for use in cooked dishes like soups, stews, or stir-fries. While they will lose their crispness and become soft upon thawing, they retain their flavor and nutritional benefits for up to 6 months.
Sliced onions have spoiled if they feel slimy to the touch, develop dark spots or mold, or emit an unusually sour or unpleasant odor. If the slices appear translucent or mushy, it is best to discard them.
To mellow the flavor of raw onion slices, soak them in a bowl of ice water for 10 to 15 minutes before serving. This process removes some of the pungent sulfur compounds, resulting in a milder, crunchier slice.
