Blue-green algae: the name is reminiscent of mermaids and beaches, but it actually looks more like Swamp Thing than Ariel. Despite its somewhat unappealing appearance, blue-green algae is a highly popular ingredient.
For some, kale is a tough sell — literally. Its fibrous texture and earthy flavor aren't for everyone. That's why we've rounded up 10 other greens to try, from peppery arugula to bitter dandelion greens.