Making the world better, one answer at a time. Some special characteristics of roundworms are: 1  their stomachs are large enough to eat 3 lbs of food, which is on average the weight in food a human can consume per meal.
Things You'll Need. 1  Large baking potatoes. 2  Heavy-duty aluminum foil. 3  Preheat the oven to 425 degrees Fahrenheit. Wash and scrub the potatoes in cold water using a kitchen brush.  Poke several holes in each potato using a fork. This allows steam to escape and prevents the potatoes from exploding in the oven.
Preheat oven to 350 degrees F (175 degrees C). Place a 1/3 cup water in a 9x13 inch baking dish. Layer in potatoes, carrots, yams and onions. Sprinkle generously with salt and pepper. Pour oil over entire dish until all ingredients are well coated. Cover or place foil over dish and bake for 2 hours.