Beef Barbacoa made in the slow cooker is tender, spicy, and the perfect no-fuss meat for your tacos, burritos, and salads. Recipe inspired by <a href="http://www.gimmesomeoven.com/barbacoa-recipe/" data-mce-href="http://www.gimmesomeoven.com/barbacoa-recipe/">Gimme Some Oven. </a>