This recipe for flank steak tacos is a delicious and easy way to prepare this cut of meat. Using a food processor to make the marinade is a great way to ensure that all the ingredients are evenly distributed throughout the steak. The marinade is made with lime juice, garlic, cumin, chili powder, and other spices, which infuse the steak with a ton of flavor. Once the steak is marinated, it's grilled to perfection and served with a side of homemade salsa and guacamole. This dish is perfect for a quick and easy weeknight dinner.