Set oven to 400 degrees.
Wash and cut turnips in half. Rub with olive oil and wrap in aluminum foil. Peel sweet potatoes and rub with olive oil and cover with aluminum foil. Put both into the oven until easily pierced with a fork (about 45 minutes).
Wash vegetables and grate.
Combine in a small mixing bowl with egg and flour.
After all ingredients are mixed, shape the mixture in small patties.
Place on a hot pan with oil and cook each one until each side is golden brown.
Stack the leaves of kale and roll them the long way into a cigar-like tube. Using a chef’s knife, slice across the tube of leaves to create long, thin ribbons. Do the same with the bok choy leaves. Slice the stems into matchsticks.