Use leftover steak slices or grill your favorite cut for this version of the taco featuring a garlicky, lime sour cream.
Combine sour cream, lime juice, garlic, salt and pepper in small bowl.
Spread each tortilla evenly with sour cream mixture leaving 1/2-inch border around edge. Top with black beans; place beef Flank Steak slices on 1 side of each tortilla. Top with tomatoes and lettuce. Fold tortillas in half to serve.
Recipe adapted from and photo as seen in The Healthy Beef Cookbook, published by John Wiley & Sons
Test Kitchen Tips Let steaks rest to redistribute juices before slicing