1. Peel, slice and wash the sweet potatoes. 2. Sprinkle salt to the sweet potatoes and mix together. 3. Set the deep fryer on. 4. Fry the sweet potatoes and place in a plate. 5. Break the egg in a bowl. 6. Add salt to it and beat. 7. Slice the onions, fresh tomatoes and pepper. 8. Pour a little quantity of groundnut oil in a dry frying pan. 9. Add the chopped onions. 10. Add the chopped tomatoes and pepper. 10. Pour the beaten egg and fry. 11. Remove and serve with the fried potatoes