McCain Smiles are delicious mashed potatoes, tested and formed into happy faces. These are the best snacks to bring great pleasure with the savor of fresh potatoes. The naturally healthy and best apt to serve you as the best breakfast or the time you take tiffins. Nutrition Facts: Energy 199 kcal, Protein 3g, Carbohydrate 31g, Sugar g. Cholesterol mg. ingredients. Potatoes, edible vegetable oil, corn flour, iodized salt.