Cut bell pepper in half lengthwise; discard seeds and membranes.
Place 1 pepper half, skin side up, on a foil-lined baking sheet (reserve remaining half); flatten with hand. Broil 8 minutes or until blackened. Wrap bell pepper in foil; let stand 5 minutes. Peel and finely chop.
Add 2 tablespoons chopped bell pepper and minced chives to canola mayonnaise; stir until blended.