Slow Cooker Taco Pot Roast - shredded beef tacos. Only 5 ingredients - pot roast, au jus mix, taco seasoning, tomato juice and diced tomatoes and green chiles. Can serve shredded pot roast over rice with beans for a burrito bowl or in tortilla for shredded beef tacos. This is CRAZY good!!! Makes a great freezer meal too! #slowcooker #mexican #tacos