Butterbur (fuki) has 14 kcal per 100 g. A Japanese mountain vegetable with giant leaves. The stalks are the edible part — peel and blanch before cooking.
How should I track Butterbur, (fuki)?
Butterbur, (fuki) is a good source of potassium. For consistent tracking of Butterbur, (fuki), 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.