An onion is a bulbous vegetable known for its strong flavor and aroma, commonly used in various cuisines worldwide. It belongs to the Allium genus, which also includes garlic, leeks, and shallots. Onions are available in different types, including yellow, red, and white, each offering unique flavors and culinary applications.
Culinary uses of onions range from raw applications in salads and salsas to caramelizing for depth of flavor in soups, stews, and sauces. They can be sautéed, roasted, grilled, or pickled, making them a versatile ingredient for many dishes. Understanding how to cook onion properly enhances their natural sweetness and reduces their sharpness, allowing for a more balanced flavor in recipes.
Regarding onion nutrition, onions are low in calories and a source of vitamins C and B6, along with dietary fiber. They contain various antioxidants that contribute to overall health. Onions also provide a modest amount of minerals such as manganese and potassium.
When storing onions, it is best to keep them in a cool, dark, and dry location to avoid sprouting and spoilage. Avoid refrigerating whole onions, as this can affect their texture and flavor. Properly stored, onions can last for several weeks to months, depending on the type.
| Energy | |
| Calories 40kcal | 2% |
| Protein | |
| Protein 0.83g | 1% |
| Carbohydrates | |
| Carbohydrates 9g | 2% |
| Fiber 1.90g | 5% |
| Sugar 6g | 6% |
| Fat | |
| Fat 0.05g | 0% |
| Saturated 0.04g | 0% |
| Cholesterol 0.00mg | - |
| Vitamins | |
| Vitamin A 0.00ug | 0% |
| Choline 6mg | 1% |
| Vitamin B1 0.05mg | 4% |
| Vitamin B2 0.03mg | 2% |
| Vitamin B3 0.12mg | 1% |
| Vitamin B6 0.12mg | 7% |
| Vitamin B9 20ug | 5% |
| Vitamin B12 0.00ug | 0% |
| Vitamin C 8mg | 9% |
| Vitamin E 0.02mg | 0% |
| Vitamin K 0.40ug | 0% |
| Minerals | |
| Calcium, Ca 16mg | 1% |
| Copper, Cu 0.04mg | 4% |
| Iron, Fe 0.28mg | 3% |
| Magnesium, Mg 9mg | 2% |
| Phosphorus, P 33mg | 3% |
| Potassium, K 180mg | 5% |
| Selenium, Se 0.00ug | 0% |
| Sodium, Na 1.00mg | 0% |
| Zinc, Zn 0.20mg | 2% |
| Water | |
| Water 90g | - |
| * Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. | |
A hearty creamy bacon and potato bake that's easy to prepare.
27 Dec 2025Roast sweet red peppers, pumpkin, and sweet potatoes with thyme and garlic.
28 Nov 2025Easy chicken fajitas with lime and sour cream for a quick meal.
11 Feb 2026Enjoy a fusion of flavors in these Red Curry Chicken Pot Pies.
22 Jan 2026Enjoy crispy shrimp and vegetable pancakes with a tasty dipping sauce.
10 Feb 2026A creamy quinoa risotto with roasted chilli pumpkin and zucchini.
25 Nov 2025Quick garlic and tomato pasta with herbs for a delicious meal.
13 Jan 2026A hearty chicken and lentil soup with spices and fresh toppings.
01 Feb 2026A creamy, low-carb soup with Italian sausage, bacon, and spinach.
30 Jan 2026A vibrant and healthy tuna salad with olives, capers, and avocado.
25 Dec 2025Vibrant beef stir-fry with chillies and basil, perfect for dinner.
02 Jan 2026Quick and nutritious Korean-style noodles with vibrant veggies.
24 Jan 2026Elegant salmon wrapped in puff pastry with vibrant pea purée.
29 Jan 2026Enjoy a nutritious Chicken Salad Sandwich on multi-grain bread.
08 Jan 2026Delicious spinach and ricotta rolls wrapped in flaky pastry.
14 Jan 2026Grilled chicken thighs stuffed with spinach, feta, and pine nuts.
04 Jan 2026Baked vegetarian mushroom meatballs made with quinoa and herbs.
18 Feb 2026Savoury sausage-stuffed zucchini with turkey and parmesan.
22 Nov 2025A flavorful potato and prosciutto salad with fresh herbs and capers.
25 Nov 2025A refreshing Vietnamese shrimp salad with vibrant herbs and veggies.
03 Dec 2025Delicious eggplant rollatini filled with ground beef and mozzarella.
28 Dec 2025Enjoy smoky beef served over a fresh ancient grain salad.
29 Dec 2025