1You will need a large cast iron skillet.
Drain pineapple,reserve the juice.
Stir together pineapple juce,suger,cornstarch,mushrooms,salt,rice wine vinegar, and chili sauce,..
Cook mixture over high heat for 30 to 45 seconds,untill thickened. Add bell peppers. Cook 3-5 minutes. Now add pine apple,and shrimp.Cover and cook,stiring often abought 3-4 minutes. Just untill shrimp turns pink.