SEPARATE lettuce leaves; arrange on 2 large plates. Sprinkle evenly with the pecans.
CUT peppers into heart shapes, using a small cookie cutter. Add cutouts to each salad; sprinkle with cheese. (Reserve pepper trimmings for another use.)
POUR dressing evenly into 2 small bowls. Serve 1 with each salad. Dip lettuce into dressing to serve.