Russet potatoes contain around a fifth of the RDA of protein and fibre, are only 135 calories and provide half your daily intake of vitamin C (with the skin on), as well as vitamin B6 to boost mood, beta carotene to keep eyes and skin healthy and folate to protect against cancer.
They are also stuffed with more potassium than a banana, to prevent high blood pressure, and soluble fibre for a healthy bowel and heart. A recent US study also found they often contain more antioxidants than superfoods such as carrots, kiwis, watermelons, radishes, cantaloupe melons and even tomatoes.
But the no fat and no cholesterol vegetable's benefits can soon be diminished when they are fried or coated in butter of cream.
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