First, remove the foreskin of corn, add a little salt water and cook until it is 70-80% mature. After taking it out, turn over the old corn foreskin, then spread a layer of white sugar and cooked lard (or peanut oil) on the corn, sprinkle a little pepper, put the bag in an electric oven and bake it for a few minutes, then turn the old corn over and bake it for a few minutes. When it turns brown, take it out and peel it. (Baking corn in an oven is not only quick but also unique after baking.