1Heat oven to 400°F. Spray 8x4-inch loaf pan with cooking spray. In small bowl, stir together Bisquick® mix, water and egg white; spread in bottom of pan.
2In small microwavable bowl, mix chicken and barbecue sauce. Microwave on High 1 minute; stir. Spoon over batter in pan to within 1/2 inch of edges; sprinkle with cheese.
3Bake 20 to 23 minutes or until golden brown; loosen from side of pan.