Due to the many variables, such as moisture content, size and variety, it is impossible to give specific recommendations as to quantity to buy. The recommendations below are approximations only. The greens are a good source of iron. Rutabagas are a good source of Vitamin A and potassium. A 3-oz serving has about 34 calories.
Turnips are a good source of potassium.
Turnips - If necessary, cut off tops. Rutabagas - Wash rutabaga and pare thinly. Kohlrabi - Trim off root ends and vinelike stems. Wash kohlrabi and pare. Kohlrabi can be boiled, baked, steamed, fried or dressed with a sauce.