This Slow Cooker Barbacoa Recipe has become one of our family favorites. Tender fall apart beef that simmers all day long in flavorful Mexican spices. If you are a fan of Chipotles Barbacoa recipe, you are going to love this recipe. We love to use the Barbacoa for quick and easy tacos. It’s perfect on a corn tortilla piled high with fresh pico de gallo, avocados and a squeeze of fresh lime juice.