Yum! If the burn of tax season has forced you to search for frugal dining options, make haste to Anna's Taqueria. To cushion the blow of Tax Day, they're offering a free (free!) taco with any filling, so long as you purchase a burrito, quesadilla, taco, or Mexican plate. We already had heartburn after a weekend spent crying into crumpled receipts, so what's a little more heat?