Barbecue Chicken Burritos

Ingredients

• 1/2 pound boneless skinless chicken breasts, cut into 1/2-inch cubes
• 1-1/2 cups julienned green peppers
• 1 cup chopped onion
• 4 tablespoons canola oil, divided
• 1/2 cup barbecue sauce
• 1-1/2 cups shredded Mexican cheese blend
• 4 flour tortillas (10 inches), warmed
• Lime wedges, sour cream, shredded lettuce and chopped tomatoes, optional