It is healthier to cook a potato in the oven rather than fry it. Cooking potatoes in the oven preserve most of their nutrients.
A 1/2 cup serving of diced fried potatoes contains 121 calories and 3.15 grams of fat. This serving size also provides 261 milligrams of sodium, 345 milligrams of potassium, and 21.39 grams of carbohydrates.
A medium-sized baked potato with no toppings has 129 calories and 0.2 grams of fat. This serving size also has 17 milligrams of sodium, 724.73 milligrams of potassium and 30.4 grams of carbohydrates. A baked potato also offers 152 percent of the suggested vitamin C daily need.