Nutritional Values
Onions and shallots contain very few calories. Like all other types of vegetables, onions contain few calories and no fat. So, an extra bit of onion in your salad, or some fried onion rings with your meat, adds lots of taste but hardly any calories.
Calorie levels per 100 g raw
Yellow onion: 27 kcal
Red onion: 27 kcal
Sweet onion: 32 kcal
Shallot: 20 kcal
Garlic: 136 kcal