Preheat BBQ on high then reduce temperature to medium. Lightly brush pork steaks with 1 Tbsp (15 ml) olive oil and sprinkle with oregano. Cut zucchini in half lengthwise, halve onions and halve and seed peppers.  Brush vegetables with 1 Tbsp (15 ml) oil. Place pork steak son the grill, close cover and grill steaks 7 min. Turn pork steaks and add vegetables to grill. Close cover and grill 8-10 minutes, turning vegetables several times.

Meanwhile, whisk together remaining olive oil, vinegar, mustard, salt and pepper. Break Romaine into bite size pieces and divide among 4 plates, Remove pork and vegetables from the BBQ; cut into cite-size pieces and toss with dressing then spoon over lettuce. Serve with whole grain rolls.