Prepare soup stock fresh or canned. Peel Platains, cut into 1 inch slices, and saok in salted water for 15 minutes. Drain plantains and deep-fry in lard for 15 minutes at a temperture of 350 deg F. Remove slices of plantain from lard, mash in a mortar, and add to soup stock. Cook for 10 minutes. Add grated cheese, boil for 1 minutes, and serve. Serves 8