Preheat your oven to 350 degrees and put your Smithfield Marinated Pork Garlic and Herb Sirloin into a baking dish.
Cook at 350 for 1.5 hours. Remove the sirloin and set aside to allow the juices to settle.
Cook the rice and beans according to package directions and chop tomato. Warm tortillas according to package directions. I like to put into the microwave, on a plate topped with a damp paper towel for 25 seconds.
Cut the sirloin into small pieces (think taco chunks).
Arrange on your tortillas and your dinner is ready!