"Baking a potato decreases its vitamin C content by 35% due to thermal degradation." A raw, medium russet potato contains roughly 16 grams of vitamin C, according to the U.S. Department of ...
Wash the sweet potatoes. Pierce each potato 4 to 5 times with a fork and bake in the oven or microwave. Oven: Preheat the oven to 400 F (204 C). Place the potatoes on a rimmed baking sheet lined with ...