- In a spice mill or mortar and pestle, add pickling spice, salt, and black peppercorns. Pulse or grind to a medium-fine powder, then rub onto flank steak.
- Heat olive oil in a frying pan over medium-high heat. Add steak and cook on both sides for about three minutes each. In a small bowl, whisk together brown sugar with white vinegar, then add to the pan in the last minute of cooking the steak. Flip steak to coat. Transfer steak to a cutting board to rest for five to seven minutes.
- Slice thick strips of steak against the grain and serve.
No dish is complete without spices, and the video below is a quick lesson on which ones are perfect for the job.