Earthy and sweet, chard has more substance than spinach. It’s easy to find and its colorful incarnations can be used interchangeably (though green chard tends to be mildest).
Health Benefits: Chard abounds in phytochemicals that have been shown to help prevent various types of cancers, maintain healthy eyes and may even protect the heart. As for essential nutrients, a 1/2-cup serving of cooked chard provides over 300 percent of the daily value (DV) of vitamin K and 100 percent DV of vitamin A. It is also a good source of vitamin C, magnesium and potassium.
Shopping Tip: Rainbow chard, white or green chard and ruby or red chard are the most common varieties available. Look for fresh, crisp, brightly colored greens; avoid those that are wilted or blemished.
Storage Tip: Wrap the stem ends in damp paper towels and refrigerate in a plastic bag for up to a week, depending on the freshness of the chard when it was purchased.