It’s Cinco de Mayo this weekend, an occasion that is—in America, at least—traditionally celebrated with a margarita and a heaping bowl of guac. But it’s no secret that Mexican food isn’t exactly waistline-friendly, so these healthy recipes whipped up by local dietitians are here to help. From a low-cal margarita to salt-free baked tortilla chips, these lightened-up versions of favorite foods will make sure you can chow down without weighing yourself down.