From Frozen. Bake:
Preheat oven to 425°F. Use a 1¿ deep baking pan with a thin layer of water in bottom of pan. Remove stuffed flounder from bag and place into baking pan. Place on center rack of oven. Bake for 25-30 minutes or until center of the Stuffed Flounder reaches an internal temperature of 165°F.

To Microwave:
Remove stuffed flounder from bag and place in a microwave safe dish. Cover and heat on Medium High (700 Watt Microwave) for 3-4 minutes for one stuffed flounder or until center reaches an internal temperature of 165°F.
Increase cooking time to 4-5 minutes for two stuffed flounders.

Appliances vary - time and temperature may need adjustment.