Drain 1/2 cup juice from pineapple into 2-cup measure.
Set pineapple tidbits aside.
Add chicken broth, corn starch and soy sauce to juice.
Beat well with wire whip.
Microwave 4 to 5 minutes on HIGH, or until thick and glossy, stirring once with wire whip.
Use to glaze duckling.
Just before serving, stir pineapple tidbits and green pepper into remaining sauce.
Serve with duckling.