Preheat a grill or grill pan. In a bowl, combine ingredients for BBQ sauce and whisk well, Set aside.
Slice the pork tenderloin into pieces and pound thinly between sheets of plastic wrap. Season with salt and pepper. Dip into the BBQ sauce and grill quickly on the grill or in a grill pan.
Potato Salad: In a large bowl, combine mayonnaise, onions, lemon juice, garlic, and cilantro. Quarter the cooked red potatoes and add to the bowl. Add the cooked bacon and season with salt and pepper. Stir well.
Mound the potato salad onto a large platter. Top with the BBQ pork cutlets and garnish with chives or green onions.
Yield: 6 servings