Created by Luvcookn on June 27, 2016
Step 1: Spray the broiler rack with non-stick cooking spray; preheat the broiler.
Step 2: In a sealable plastic bag, mix about half the vinegar, about half the sugar and all of the salt; seal the bag and shake until the sugar dissolves.
Step 3: Add the pork.
Step 4: Seal the bag, squeezing out the air; turn to coat the pork.
Step 5: Let stand while you start to caramelize the onions.
Step 6: In a large non-stick skillet, heat the oil over medium heat.
Step 7: Add the onions and remaining sugar; sauté until the onions begin to brown, about 5 minutes.
Step 8: Add the broth and cook, stirring as needed, until most of the liquid evaporates, about 5 minutes.
Step 9: Stir in the remaining vinegar, flour and pepper; cook, stirring as needed, until the onions are dark golden brown, about 5 minutes.
Step 10: Drain the pork, discarding the marinade.
Step 11: Broil the pork 5" from the heat until cooked through, about 5 minutes on each side.
Step 12: Serve topped with the onions.