Swiss chard has 19 kcal and 1.6 g fiber per 100 g. The colorful stems are edible and cook slower than the leaves. Weigh stems and leaves together for accurate tracking.
How should I track Chard, Swiss?
Chard, Swiss is a good source of magnesium. For consistent tracking of Chard, Swiss, weigh it raw. Cooking method changes both weight and calorie density — steaming barely changes anything, but roasting with oil or frying can double the calories. A systematic review (Whitton et al., Adv Nutr 2022) found vegetables are omitted from food logs 2–85% of the time, often because people assume they are "free" calorically. While most vegetables are indeed low-calorie, the fats added during cooking are not. Log the oil, butter, or dressing separately to keep your tracking accurate.