Oysters may be one of the more intimidating mushrooms in appearance, since they look nothing like the common button mushroom. But fear them not -- they are simple to prepare and offer a delicate and sweet flavor. Depending on the time of year they are foraged, oysters can even offer an anise-like taste. This mushroom, which got its common name due to its resemblance to the water bivalve molluscs, can be easily cultivated, making it one of the more affordable mushroom varietie and although these can be found in the wild growing on the sides of trees, the ones you'll find in the store or on a menu are most likely cultivated